A3 lockable black anodised aluminium poster case with a 45mm frame profile, complete with wall fixings for secure display.
Durable A3 poster case in black anodised aluminium, featuring a lockable design, 45mm frame profile, and wall fixings included.
A3 Lockable Anodised Aluminium Black Poster Case with 45mm Frame Profile With Wall Fixings
A3 Lockable Anodised Aluminium Black Poster Case with 45mm Frame Profile With Wall Fixings
Sleek lockable A3 poster case with a 45mm frame profile, crafted from black anodised aluminium and supplied with wall fixings.

The UK’s No.1 Display Specialists - Expect Quality, Every Time

Easy & Fast Shipping - FREE for Orders Over £125.00 ex.VAT* Easy & Fast Shipping - FREE for Standard Delivery Orders*

Returns Available Icon - 28-Day Hassle-Free Return Policy Bulk savings Quick Volume Quotes! - request a quote now

Exceptional Value - UK’s Best Prices and Trusted Quality Exceptional Value - UK’s Best Prices and Trusted Quality

Flexible Payments - Spread cost over 3 months with iwocaPay Flexible Payments - Spread cost over 3 months with iwocaPay

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A3 Lockable Anodised Aluminium Black Poster Case with 45mm Frame Profile With Wall Fixings

Need to keep posters safe, visible and tamper-proof? This A3 Lockable Black Poster Case Notice Board is designed to protect your displays while keeping them clear and professional. With a sleek black aluminium frame, lockable front panel and weather-resistant design, it’s the perfect choice for businesses, schools and public venues.

 

Standard frames often leave posters exposed to damage or tampering, especially in busy areas. This notice board solves the issue by locking your content behind a durable clear cover, keeping it secure while still easy to update. Whether you’re displaying menus outdoors, health and safety notices in offices, or promotional posters in shared spaces, it ensures your message stays intact and easy to read.

  • See the product in action – click to watch
Product code: SFLA3B
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In Stock - UK Dispatch
In Stock - UK Dispatch

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Level Up Your Display – Add Now

A3 Printing Service on 190gsm Silk Paper for Indoor Posters and Signage

A3 Printing Service on 190gsm Silk Paper for Indoor Posters and Signage

£12.00

(Inc VAT)

£54.17

(Exc VAT)

A3 Printing Service on 220gsm Waterproof Polypropylene for Outdoor Posters and Signage

A3 Printing Service on 220gsm Waterproof Polypropylene for Outdoor Posters and Signage

£42.00

(Inc VAT)

£54.17

(Exc VAT)

The UK’s No.1 Display Specialists - Expect Quality, Every Time

Easy & Fast Shipping - FREE for Orders Over £125.00 ex.VAT* Easy & Fast Shipping - FREE for Standard Delivery Orders*

Returns Available Icon - 28-Day Hassle-Free Return Policy Bulk savings Quick Volume Quotes! - request a quote now

Exceptional Value - UK’s Best Prices and Trusted Quality Exceptional Value - UK’s Best Prices and Trusted Quality

Flexible Payments - Spread cost over 3 months with iwocaPay Flexible Payments - Spread cost over 3 months with iwocaPay

Product Details

Product Description

Artwork Printing

Product Specification

Delivery & Returns

Product FAQ

Why This Lockable A3 Poster Case Protects Your Displays

This poster case combines security with everyday practicality. The lockable front keeps your notices tamper-free, while the sleek black finish offers a professional look. Weather-resistant and built for frequent use, it’s ideal for environments where content needs to be both secure and accessible.

Key Features of the A3 Lockable Black Poster Case

  • Secure lockable design: Protects posters and notices from tampering in public or shared spaces.
  • Sleek black aluminium frame: Modern finish that complements offices, retail spaces and hospitality venues.
  • Weather-resistant build: Suitable for indoor and sheltered outdoor use.
  • Clear protective cover: Keeps posters visible while shielding them from dust and damage.
  • Easy poster updates: Unlock, open the front panel and replace content in minutes.
  • Compact A3 size: Perfect for menus, notices, health & safety information or promotions.

Measurements & Technical Details

Poster Size: A3 (297 x 420mm) | Frame: Black aluminium | Cover: Clear protective panel | Features: Lockable, weather-resistant, wall-mountable

Where to Use This A3 Lockable Poster Case

Ideal for restaurants displaying menus outdoors, schools and universities sharing notices, and offices posting health & safety information. Also widely used in leisure centres, churches and retail environments where secure, tamper-proof displays are needed.

Why Choose Displaysense Lockable Notice Boards

  • Built for security: Our lockable boards protect content from tampering while keeping it accessible for staff.
  • Trusted in public spaces: Chosen by schools, councils and businesses nationwide for clear communication.
  • Over 40 years of expertise: Since 1978, Displaysense has supplied trusted display solutions across the UK.

Advice on Making Notices Stand Out

Lockable poster cases are most effective when positioned in high-traffic areas where information needs to be both secure and visible. Our expert guides explore practical tips for displaying notices and signage that get noticed.

Explore these guides for inspiration:

Need to keep posters safe, visible and tamper-proof? This A3 Lockable Black Poster Case Notice Board is designed to protect your displays while keeping them clear and professional. With a sleek black aluminium frame, lockable front panel and weather-resistant design, it’s the perfect choice for businesses, schools and public venues.

 

Standard frames often leave posters exposed to damage or tampering, especially in busy areas. This notice board solves the issue by locking your content behind a durable clear cover, keeping it secure while still easy to update. Whether you’re displaying menus outdoors, health and safety notices in offices, or promotional posters in shared spaces, it ensures your message stays intact and easy to read.

  • See the product in action – click to watch

Simple & Professional Artwork Submission Process

Getting your branded product printed is easy with our clear step-by-step process:

1. PLACE YOUR ORDER

  • Add your print product to the cart alongside your main purchase, or buy it as a standalone item from our printing range.
  • Once your order is placed, you’ll receive an email from us with everything you need to get started. You will receive this within 24 hours of placing your order.
  • We’ll send you a fully guided artwork template for your product — along with clear instructions on the file format, sizing, and print requirements.
  • It’s simple to follow, whether you're creating the artwork yourself or using a designer.

2. REVIEW THE ARTWORK REQUIREMENTS

  • Download and read the PDF guide provided in our email to you.
  • The guide includes everything you need to ensure your artwork meets the print-ready criteria
  • Important: You must follow the steps exactly. Artwork must be approved before we can begin production

    It’s essential that you follow the artwork steps closely — your file must meet these criteria before we can proceed with production.

3. SUBMIT YOUR ARTWORK

  • Simply reply to our email with your completed artwork attached.
  • Once reviewed and approved, your design will go to print.
  • From the point of approval, most items are dispatched within 3–5 working days.
    Some products may take a little longer — if so, we’ll let you know right away.

NEED HELP?

  • Our friendly team is happy to assist if you have any questions — just drop us an email at help@displaysense.co.uk.

💡 It’s a straightforward process designed to get your product looking great and out the door fast — so you can focus on showcasing your brand with confidence.

Remember: Great. Displays. Work

colour finish

Black

depth

30mm

height

490mm

material

Aluminium

paper size

A3

sizes

A3

type

Lockable Poster Case

width

370mm

Weight

1.75kg

This item is classed as a standard delivery item.

For Zone 1 UK Mainland, delivery costs FREE and delivery can take 3 working days.

It may be possible to upgrade your item to the Next Working Day Delivery service at a cost of £9.95, please check at the checkout stage if this option is available for the chosen item.

FAQs About the A3 Lockable Black Poster Case

Q: Can this case be used outdoors?

A: Yes – it’s weather-resistant and suitable for sheltered outdoor use. For full exposure, consider our dedicated outdoor models.

Q: Does it come with a key?

A: Yes – it includes a lock and key set to keep your displays secure.

Q: How easy is it to change posters?

A: Very easy – simply unlock, open the case, and replace the poster in minutes.

Q: Is the cover shatterproof?

A: The cover is durable and built for everyday use. For areas requiring higher security, explore our reinforced options.

Q: Can it be mounted in portrait and landscape?

A: Yes – it can be installed either way to suit your poster or notice layout.

Q: Is it suitable for busy public spaces?

A: Absolutely – the lockable design prevents tampering, making it perfect for schools, offices, leisure centres and retail settings.

Product Details

Why This Lockable A3 Poster Case Protects Your Displays

This poster case combines security with everyday practicality. The lockable front keeps your notices tamper-free, while the sleek black finish offers a professional look. Weather-resistant and built for frequent use, it’s ideal for environments where content needs to be both secure and accessible.

Key Features of the A3 Lockable Black Poster Case

  • Secure lockable design: Protects posters and notices from tampering in public or shared spaces.
  • Sleek black aluminium frame: Modern finish that complements offices, retail spaces and hospitality venues.
  • Weather-resistant build: Suitable for indoor and sheltered outdoor use.
  • Clear protective cover: Keeps posters visible while shielding them from dust and damage.
  • Easy poster updates: Unlock, open the front panel and replace content in minutes.
  • Compact A3 size: Perfect for menus, notices, health & safety information or promotions.

Measurements & Technical Details

Poster Size: A3 (297 x 420mm) | Frame: Black aluminium | Cover: Clear protective panel | Features: Lockable, weather-resistant, wall-mountable

Where to Use This A3 Lockable Poster Case

Ideal for restaurants displaying menus outdoors, schools and universities sharing notices, and offices posting health & safety information. Also widely used in leisure centres, churches and retail environments where secure, tamper-proof displays are needed.

Why Choose Displaysense Lockable Notice Boards

  • Built for security: Our lockable boards protect content from tampering while keeping it accessible for staff.
  • Trusted in public spaces: Chosen by schools, councils and businesses nationwide for clear communication.
  • Over 40 years of expertise: Since 1978, Displaysense has supplied trusted display solutions across the UK.

Advice on Making Notices Stand Out

Lockable poster cases are most effective when positioned in high-traffic areas where information needs to be both secure and visible. Our expert guides explore practical tips for displaying notices and signage that get noticed.

Explore these guides for inspiration:

Product Description

Need to keep posters safe, visible and tamper-proof? This A3 Lockable Black Poster Case Notice Board is designed to protect your displays while keeping them clear and professional. With a sleek black aluminium frame, lockable front panel and weather-resistant design, it’s the perfect choice for businesses, schools and public venues.

 

Standard frames often leave posters exposed to damage or tampering, especially in busy areas. This notice board solves the issue by locking your content behind a durable clear cover, keeping it secure while still easy to update. Whether you’re displaying menus outdoors, health and safety notices in offices, or promotional posters in shared spaces, it ensures your message stays intact and easy to read.

  • See the product in action – click to watch

Artwork Printing

Simple & Professional Artwork Submission Process

Getting your branded product printed is easy with our clear step-by-step process:

1. PLACE YOUR ORDER

  • Add your print product to the cart alongside your main purchase, or buy it as a standalone item from our printing range.
  • Once your order is placed, you’ll receive an email from us with everything you need to get started. You will receive this within 24 hours of placing your order.
  • We’ll send you a fully guided artwork template for your product — along with clear instructions on the file format, sizing, and print requirements.
  • It’s simple to follow, whether you're creating the artwork yourself or using a designer.

2. REVIEW THE ARTWORK REQUIREMENTS

  • Download and read the PDF guide provided in our email to you.
  • The guide includes everything you need to ensure your artwork meets the print-ready criteria
  • Important: You must follow the steps exactly. Artwork must be approved before we can begin production

    It’s essential that you follow the artwork steps closely — your file must meet these criteria before we can proceed with production.

3. SUBMIT YOUR ARTWORK

  • Simply reply to our email with your completed artwork attached.
  • Once reviewed and approved, your design will go to print.
  • From the point of approval, most items are dispatched within 3–5 working days.
    Some products may take a little longer — if so, we’ll let you know right away.

NEED HELP?

  • Our friendly team is happy to assist if you have any questions — just drop us an email at help@displaysense.co.uk.

💡 It’s a straightforward process designed to get your product looking great and out the door fast — so you can focus on showcasing your brand with confidence.

Remember: Great. Displays. Work

Product Specification

colour finish

Black

depth

30mm

height

490mm

material

Aluminium

paper size

A3

sizes

A3

type

Lockable Poster Case

width

370mm

Weight

1.75kg

Delivery & Returns

This item is classed as a standard delivery item.

For Zone 1 UK Mainland, delivery costs FREE and delivery can take 3 working days.

It may be possible to upgrade your item to the Next Working Day Delivery service at a cost of £9.95, please check at the checkout stage if this option is available for the chosen item.

Product FAQ

FAQs About the A3 Lockable Black Poster Case

Q: Can this case be used outdoors?

A: Yes – it’s weather-resistant and suitable for sheltered outdoor use. For full exposure, consider our dedicated outdoor models.

Q: Does it come with a key?

A: Yes – it includes a lock and key set to keep your displays secure.

Q: How easy is it to change posters?

A: Very easy – simply unlock, open the case, and replace the poster in minutes.

Q: Is the cover shatterproof?

A: The cover is durable and built for everyday use. For areas requiring higher security, explore our reinforced options.

Q: Can it be mounted in portrait and landscape?

A: Yes – it can be installed either way to suit your poster or notice layout.

Q: Is it suitable for busy public spaces?

A: Absolutely – the lockable design prevents tampering, making it perfect for schools, offices, leisure centres and retail settings.

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Frequently Asked Questions

A3 lockable poster cases are compact yet effective, offering a professional solution for displaying posters and announcements. Perfect for indoor and outdoor use, these cases combine functionality with a sleek design. Pair them with other display products like snap frames or leaflet holders for a cohesive setup.

Yes, we offer special pricing for bulk purchases of A3 lockable poster cases. Check the product page for volume discount details. For larger orders, contact us directly to receive a personalised quote tailored to your needs.

Delivery times and costs vary based on your location and the size of your order. Visit our delivery page for the latest shipping rates and estimated timelines.

Yes, our A3 lockable poster cases are suitable for both indoor and outdoor use. They feature weatherproof seals to safeguard your posters against rain, wind, and other elements. For additional outdoor display solutions, explore our durable pavement signs and weather-resistant chalkboards.

Yes, we offer custom printing services for A3 posters. Visit our printing services page, select the A3 size, upload your design, and place your order. Your posters will be printed to fit your A3 lockable case perfectly. ,

Keeping your A3 lockable poster case in great condition is simple. Wipe it clean with a damp cloth as needed. Each case includes a UV-resistant cover that protects your posters from fading and ensures your display remains sharp and professional.

A3 lockable poster cases are ideal for displaying smaller posters, advertisements, or notices in environments such as retail stores, offices, schools, restaurants, and public spaces. Their secure, weatherproof design makes them a reliable choice for both indoor and outdoor use, while allowing for easy updates.

To request a return, contact us at help@displaysense.co.uk for prior approval. All returns must be authorised in advance. Refunds will cover the cost of the product plus VAT. For full details, review our terms and conditions on our website.