Letter box boxes
Designed to meet UK postal standards, our letter boxes are perfect for sending documents, gifts, and small items safely through the mail.
Customisation
Any
Custom
Plain
Pre-printed
Deals
Bestsellers
Flash Deal
Industry
Any
E-commerce
Apparel & Fashion
Gifts
Electronics
Art prints & Stationery
Home & Garden
Retail
Events
Sustainability
Eco Choice
FSC® available
Biodegradable material
Recycled content
Recyclable
Collections
New Arrivals
Custom sizes
Use case
Postal Boxes
Events
Retail
Return friendly
Ship large items
Subscription box
Shoes
Clothes
Back to All
8 products
Plain Mailer Box
Plain
Min. 30 pieces
Eco choice 🌱
A simple cardboard box with no strips made for safe shipping.
Pre-Printed Mailer Box
Pre-printed
Min. 30 pieces
Bestseller
Corrugated boxes with a ready-to-go colourful print.
Sustainable savings
Get up to 40% off our bio and recycled poly mailers! Eco-friendly, durable, and now for less — but only for a limited time.
BESTSELLERS PROMO
Use code BESTSELLERSUK to unlock up to £350 discount.
Try before you buy
Get a sample pack for just £15 and check our products.
Pre-printed Economic Mailer Box
Eco-friendly cardboard shipping boxes with a pre-made design.
Pre-printed
Min. 30 pieces
Bestseller
Eco-friendly cardboard shipping boxes with a pre-made design.
Custom Book Mailer
Customisable
Min. 30 pieces
25% OFF
Personalizowane opakowanie idealne do wysyłki płaskich przedmiotów, takich jak książki, gry planszowe, czy magazyny.
Brief
Need something else? Send us a brief and we’ll sort you out.
Shop by needs
Basic boxesBiodegradable packagingBook packagingBoxes for bakeriesBoxes for electronicsBoxes for jewelleryCandle packagingCardboard boxesChocolate packagingCoffee packagingCupcake boxesCustom Cardboard BoxesCustom cosmetic packagingCustom packaging for clothesDie cut boxesE-commerce packagingGarment packagingKraft boxesLarge cardboard boxesLetter box boxesLuxury packagingPerfume boxesPresentation boxesRetail packagingSmall cardboard boxesSquare cardboard boxesWatch boxesWhite cardboard boxesRecyclable packagingWelcome packs