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Over 18 years Experience in Luxury & Sustainable Packaging
  • The Tiny Box Company
18+ Years Expertise18+ Years Expertise
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Delivery Boxes

Shop our large range of postal boxes in sizes from small, medium, and large, with Royal Mail large letter boxes, book wrap mailers, and flower boxes available too.
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Small Postal Boxes Small Postal Boxes
Medium Postal Boxes Medium Postal Boxes
Large Postal Boxes Large Postal Boxes
Postal Boxes to fit A4 Postal Boxes to fit A4
Postal Boxes to fit A5 Postal Boxes to fit A5
Postal Boxes to fit A6 Postal Boxes to fit A6
Flat Packed Postal Boxes Flat Packed Postal Boxes
Rigid Two-Piece Postal Boxes Rigid Two-Piece Postal Boxes
Pizza Box Style Postal Boxes Pizza Box Style Postal Boxes
Book Wrap Mailers Book Wrap Mailers
Packing Items Packing Items
White Postal Boxes White Postal Boxes
Black Postal Boxes Black Postal Boxes
Kraft Postal Boxes Kraft Postal Boxes
Recycled Cardboard Envelopes Recycled Cardboard Envelopes
Recycled Postal Bags Recycled Postal Bags
Flexi-Hex® Postal Sleeves Flexi-Hex® Postal Sleeves
Recycled Jiffy Bags Recycled Jiffy Bags
Subscription Postal Boxes Subscription Postal Boxes
Flower Boxes Flower Boxes
Paper Mailing Bags Paper Mailing Bags
Postal Boxes with Coloured Lining Postal Boxes with Coloured Lining
Royal Mail Large Letter Boxes Royal Mail Large Letter Boxes
147 products
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147 products
Small Kraft Paper Postal Bag (Mailing Bag) Small Kraft Paper Postal Bag (Mailing Bag)
Small Kraft Paper Postal Bag (Mailing Bag)
#MBKRSM 280 x 375mm
From £0.26£0.22
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Thank You, Handmade Just For You Round Labels 44mm - Roll of 250
Thank You, Handmade Just For You Round Labels 44mm - Roll of 250
#LAWH44TY 44 x 44mm
£14.24 £11.87
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Just For You, Handmade With Care Round Labels 44mm - Roll of 250
Just For You, Handmade With Care Round Labels 44mm - Roll of 250
#LAWH44CA 44 x 44mm
£14.24 £11.87
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Small Business Round Matt White Stickers 50mm - Roll of 10 Small Business Round Matt White Stickers 50mm - Roll of 10
Small Business Round Matt White Stickers 50mm - Roll of 10
#LAWH50SB 50 x 50mm
£0.66 £0.55
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Kraft Necklace Holders 50 x 50mm - Pack of 100
Kraft Necklace Holders 50 x 50mm - Pack of 100
#NHKR50 50 x 50mm
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Black Foam Insert For A6 Boxes Black Foam Insert For A6 Boxes
Black Foam Insert For A6 Boxes
#OOFOA6BL15 165 x 116 x 15mm
£0.20 £0.17
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Grey Foam Insert For A6 Boxes Grey Foam Insert For A6 Boxes
Grey Foam Insert For A6 Boxes
#OOFOA6GR5 165 x 116 x 5mm
£0.17 £0.14
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Black & White Foam Insert For Earring Boxes Black & White Foam Insert For Earring Boxes
Black & White Foam Insert For Earring Boxes
#OOFOEABW6 75 x 55 x 6mm
£0.14 £0.12
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Black Foam Insert For Matchbox Boxes Black Foam Insert For Matchbox Boxes
Black Foam Insert For Matchbox Boxes
#OOFOMTSB5 68 x 68 x 5mm
£0.16 £0.13
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Grey Foam Insert For A6 Boxes Grey Foam Insert For A6 Boxes
Grey Foam Insert For A6 Boxes
#OOFOA6GR15 165 x 116 x 17mm
£0.17 £0.14
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Black & White Foam Insert For A6 Boxes Black & White Foam Insert For A6 Boxes
Black & White Foam Insert For A6 Boxes
#OOFOA6BW5 165 x 116 x 17mm
£0.17 £0.14
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White Foam Insert For Choker Boxes White Foam Insert For Choker Boxes
White Foam Insert For Choker Boxes
#OOFOCHWH18 160 x 160 x 18mm
£0.20 £0.17
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Black and White Foam Insert For A5 Boxes Black and White Foam Insert For A5 Boxes
Black and White Foam Insert For A5 Boxes
#OOFOA5BW5 230 x 165 x 5mm
£0.20 £0.17
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Black Foam Insert For A5 Boxes Black Foam Insert For A5 Boxes
Black Foam Insert For A5 Boxes
#OOFOA5BL15 230 x 165 x 15mm
£0.20 £0.17
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Black Foam Insert For Large Matchbox Boxes Black Foam Insert For Large Matchbox Boxes
Black Foam Insert For Large Matchbox Boxes
#OOFOMTLB5 130 x 130 x 5mm
£0.20 £0.17
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Showing 147 of 147 products

Postal Boxes - Recyclable, Sustainable & Ready to Mail

At Tiny Box Company, we offer a wide range of postal boxes and mailing boxes for everything from personal parcels to high-volume business orders. Our collection includes flat pack and rigid styles in sizes including A6, A5, and A4 - including Royal Mail large letter boxes.

Made from eco-friendly materials like corrugated cardboard, our boxes are strong, secure, and sustainable - ideal for eco-conscious individuals and businesses alike. Use them to ship everything from photographs and stationery to artwork, gifts, or corporate brochures.

What's corrugated cardboard? Quite simply, it's made up of three layers of board - two sheets covering the outside and one in the middle that has a rippled shape. This is what makes it so strong, which is why it's often used for mailing!

Read more here on selecting the perfect material for your gift/postal boxes.

Brighten up your packaging with colourful A6 mailing boxes or go classic with kraft brown and white finishes. For delicate items like books or flowers, explore our kraft mailers and flower letterboxes with circular hole cutouts.

They’re not just for shipping - our boxes are also great for storage, gift presentation, or keeping handmade items protected. And when space is limited, our flat pack options fold down neatly. Need some help choosing the right postal box for your business? Check out our guide here!

Add your logo with digital printing to make a lasting impression. Whether you need a few or are ordering in wholesale quantities, we offer flexible options for every business size.

Finish the look with our eco-friendly postal bags, kraft tape, shredded paper filler, and more packaging accessories - all designed to keep your products safe and stylish.

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