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Over 18 years Experience in Luxury & Sustainable Packaging
  • The Tiny Box Company
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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
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 145mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 145mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 145mm length
#RMKR5B 145 x 102 x 64mm
From £1.70£1.42
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Brown Kraft Rigid 2-Piece Postal Box / Gift Box 152mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 152mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 152mm length
#RMKR8N 152 x 115 x 50mm
From £1.79£1.49
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Brown Kraft Rigid 2-Piece Postal Box / Gift Box 178mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 178mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 178mm length
#RMKR6B 178 x 105 x 64mm
From £1.60£1.33
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Brown Kraft Rigid 2-Piece Postal Box / Gift Box 105mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 105mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 105mm length
#RMKR01 105 x 70 x 40mm
From £1.50£1.25
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Brown Kraft Rigid 2-Piece Postal Box / Gift Box 120mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 120mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 120mm length
#RMKR02 120 x 80 x 45mm
From £1.40£1.17
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Brown Kraft Rigid 2-Piece Postal Box / Gift Box 206mm length Brown Kraft Rigid 2-Piece Postal Box / Gift Box 206mm length
Brown Kraft Rigid 2-Piece Postal Box / Gift Box 206mm length
#RMKR8B 206 x 90 x 26mm
From £1.38£1.15
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White Rigid 2-Piece Postal Box / Gift Box 120mm length White Rigid 2-Piece Postal Box / Gift Box 120mm length
White Rigid 2-Piece Postal Box / Gift Box 120mm length
#RMWH02 120 x 80 x 45mm
From £0.61 £0.51
ex. VAT £2.08
£2.08
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White Rigid 2-Piece Postal Box / Gift Box 105mm length White Rigid 2-Piece Postal Box / Gift Box 105mm length
White Rigid 2-Piece Postal Box / Gift Box 105mm length
#RMWH01 105 x 70 x 40mm
From £0.58 £0.48
ex. VAT £1.96
£1.96
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Black Rigid 2-Piece Postal Box / Gift Box 105mm length Black Rigid 2-Piece Postal Box / Gift Box 105mm length
Black Rigid 2-Piece Postal Box / Gift Box 105mm length
#RMBL01 105 x 70 x 40mm
From £0.58 £0.48
ex. VAT £1.96
£1.96
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Digital Lavender Rigid 2-Piece Postal Box / Gift Box 105mm length Digital Lavender Rigid 2-Piece Postal Box / Gift Box 105mm length
Digital Lavender Rigid 2-Piece Postal Box / Gift Box 105mm length
#RMLV01 105 x 70 x 40mm
From £0.58 £0.48
ex. VAT £1.96
£1.96
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Black Rigid 2-Piece Postal Box / Gift Box 120mm length Black Rigid 2-Piece Postal Box / Gift Box 120mm length
Black Rigid 2-Piece Postal Box / Gift Box 120mm length
#RMBL02 120 x 80 x 45mm
From £0.61 £0.51
ex. VAT £2.08
£2.08
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-71%
Digital Lavender Rigid 2-Piece Postal Box / Gift Box 120mm length Digital Lavender Rigid 2-Piece Postal Box / Gift Box 120mm length
Digital Lavender Rigid 2-Piece Postal Box / Gift Box 120mm length
#RMLV02 120 x 80 x 45mm
From £0.61 £0.51
ex. VAT £2.08
£2.08
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White Slim A6 Corrugated Mailing Box
White Slim A6 Corrugated Mailing Box
#FMA6WH20 160 x 110 x 20mm
From £0.29£0.24
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A5 Slim White Corrugated Mailing Box A5 Slim White Corrugated Mailing Box
A5 Slim White Corrugated Mailing Box
#FMA5WH20 222 x 160 x 20mm
From £0.42£0.35
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A4 Slim White Corrugated Mailing Box
A4 Slim White Corrugated Mailing Box
#FMA4WH20 324 x 230 x 20mm
From £0.80£0.67
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White Corrugated Postal Box White Internal White Corrugated Postal Box White Internal
White Corrugated Postal Box White Internal
#FMWW07 310 x 237 x 62mm
From £0.98£0.82
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Kraft Bottle Postal Box for Mailing Kraft Bottle Postal Box for Mailing
Kraft Bottle Postal Box for Mailing
#FMKR33RF 345 x 105 x 105mm
From £0.56£0.47
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Pack of 10 E-Commerce Corrugated Kraft Boxes 205mm length Pack of 10 E-Commerce Corrugated Kraft Boxes 205mm length
Pack of 10 E-Commerce Corrugated Kraft Boxes 205mm length
#W2ASCEB1 205 x 150 x 100mm
£14.03 £11.69
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Pack of 10 E-Commerce Corrugated Kraft Boxes 450mm length Pack of 10 E-Commerce Corrugated Kraft Boxes 450mm length
Pack of 10 E-Commerce Corrugated Kraft Boxes 450mm length
#W2ASCEB3 450 x 300 x 150mm
£29.92 £24.93
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Pack of 25 Square Single Wall Kraft Packing Boxes 155mm Pack of 25 Square Single Wall Kraft Packing Boxes 155mm
Pack of 25 Square Single Wall Kraft Packing Boxes 155mm
#W2ASCV060606 155 x 155 x 155mm
£15.23 £12.69
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Pack of 35 A4 Book Mailer Kraft Wraps Pack of 35 A4 Book Mailer Kraft Wraps
Pack of 35 A4 Book Mailer Kraft Wraps
#W2ASCMP00C4 347 x 255 x 47mm
£36.12 £30.10
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Pack of 50 Single Wall White Packing Boxes
Pack of 50 Single Wall White Packing Boxes
#W2ASCV030306 76 x 76 x 152mm
£14.82 £12.35
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Pack of 50 Small White Corrugated Postal Boxes 95mm length Pack of 50 Small White Corrugated Postal Boxes 95mm length
Pack of 50 Small White Corrugated Postal Boxes 95mm length
#W2ASCDB1 95 x 75 x 38mm
£13.60 £11.33
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Pack of 50 Small White Corrugated Postal Boxes 120mm length Pack of 50 Small White Corrugated Postal Boxes 120mm length
Pack of 50 Small White Corrugated Postal Boxes 120mm length
#W2ASCDB2 120 x 120 x 52mm
£16.86 £14.05
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Pack of 50 Medium White Corrugated Postal Boxes 152mm length Pack of 50 Medium White Corrugated Postal Boxes 152mm length
Pack of 50 Medium White Corrugated Postal Boxes 152mm length
#W2ASCDB26 152 x 100 x 70mm
£17.68 £14.73
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Pack of 50 Medium White Corrugated Postal Boxes 232mm length Pack of 50 Medium White Corrugated Postal Boxes 232mm length
Pack of 50 Medium White Corrugated Postal Boxes 232mm length
#W2ASCDB34 232 x 158 x 95mm
£36.43 £30.36
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Pack of 50 Medium White Corrugated Postal Boxes 240mm length Pack of 50 Medium White Corrugated Postal Boxes 240mm length
Pack of 50 Medium White Corrugated Postal Boxes 240mm length
#W2ASCDB8 240 x 165 x 70mm
£25.84 £21.53
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Pack of 50 Medium White Corrugated Postal Boxes 305mm length Pack of 50 Medium White Corrugated Postal Boxes 305mm length
Pack of 50 Medium White Corrugated Postal Boxes 305mm length
#W2ASCDB45 305 x 213 x 50mm
£33.18 £27.65
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Pack of 50 Medium White Corrugated Postal Boxes 207mm length Pack of 50 Medium White Corrugated Postal Boxes 207mm length
Pack of 50 Medium White Corrugated Postal Boxes 207mm length
#W2ASCDB6 207 x 139 x 90mm
£29.10 £24.25
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Pack of 50 Medium White Corrugated Postal Boxes 220mm length Pack of 50 Medium White Corrugated Postal Boxes 220mm length
Pack of 50 Medium White Corrugated Postal Boxes 220mm length
#W2ASCDB7 220 x 148 x 60mm
£43.37 £36.14
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Pack of 50 Medium White Corrugated Postal Boxes 232mm length Pack of 50 Medium White Corrugated Postal Boxes 232mm length
Pack of 50 Medium White Corrugated Postal Boxes 232mm length
#W2ASCDB40 232 x 158 x 55mm
£25.84 £21.53
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Pack of 50 Medium White Corrugated Postal Boxes 305mm length Pack of 50 Medium White Corrugated Postal Boxes 305mm length
Pack of 50 Medium White Corrugated Postal Boxes 305mm length
#W2ASCDB11 305 x 213 x 78mm
£42.96 £35.80
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Earring Holder Kraft Mailer Earring Holder Kraft Mailer
Earring Holder Kraft Mailer
#EMKR65 65 x 65 x 12mm
From £0.25 £0.21
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Earring Holder White Mailer Earring Holder White Mailer
Earring Holder White Mailer
#EMWH65 65 x 65 x 12mm
From £0.25 £0.21
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Large Kraft Recycled Cardboard Envelope Large Kraft Recycled Cardboard Envelope
Large Kraft Recycled Cardboard Envelope
#CMKR31 310 x 209 x 37mm
From £0.67£0.56
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Small Kraft Recycled Cardboard Envelope Small Kraft Recycled Cardboard Envelope
Small Kraft Recycled Cardboard Envelope
#CMKR19 195 x 140 x 37mm
From £0.42£0.35
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Kraft Paper Self-Adhesive Tape 50 metres x 50mm Kraft Paper Self-Adhesive Tape 50 metres x 50mm
Kraft Paper Self-Adhesive Tape 50 metres x 50mm
#TAPA50 50m x 50mm
£2.58 £2.15
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Small Kraft Paper Padded Postal Bag (Mailing Bag) Small Kraft Paper Padded Postal Bag (Mailing Bag)
Small Kraft Paper Padded Postal Bag (Mailing Bag)
#MBKR02 195 x 280mm
From £0.35£0.29
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Medium Kraft Paper Padded Postal Bag (Mailing Bag) Medium Kraft Paper Padded Postal Bag (Mailing Bag)
Medium Kraft Paper Padded Postal Bag (Mailing Bag)
#MBKR04 225 x 343mm
From £0.42£0.35
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Large Kraft Paper Padded Postal Bag (Mailing Bags) Large Kraft Paper Padded Postal Bag (Mailing Bags)
Large Kraft Paper Padded Postal Bag (Mailing Bags)
#MBKR06 295 x 458mm
From £0.76£0.63
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Medium Kraft Paper Postal Bag (Mailing Bag) Medium Kraft Paper Postal Bag (Mailing Bag)
Medium Kraft Paper Postal Bag (Mailing Bag)
#MBKRME 325 x 500mm
From £0.31£0.26
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Flexi-Hex® Kraft Sleeve for Fragile Products Flexi-Hex® Kraft Sleeve for Fragile Products
Flexi-Hex® Kraft Sleeve for Fragile Products
#FHKR01 300 x 25 x 35mm
From £0.83£0.69
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Flexi-Hex® Air Sleeve in Kraft - 100mm Flexi-Hex® Air Sleeve in Kraft - 100mm
Flexi-Hex® Air Sleeve in Kraft - 100mm
#AIKR10 100 x 25 x 7mm
From £0.50£0.42
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Flexi-Hex® Air Sleeve in Kraft - 200mm Flexi-Hex® Air Sleeve in Kraft - 200mm
Flexi-Hex® Air Sleeve in Kraft - 200mm
#AIKR20 200 x 25 x 7mm
From £0.58£0.48
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Showing 88 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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