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Kraft Brown Flat Packed Postal Boxes

Our flat-pack postal boxes are available in various sizes and styles, including classic boxes, pizza-style boxes, and book wrap mailers, perfect for all your shipping needs.
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58 products
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58 products
Kraft Brown Postal Box for Mailing Deep Magnetic Box
From £0.78£0.94
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Kraft Brown Postal Box for Mailing Small Magnetic Box
From £0.35£0.42
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Kraft 1-Piece Cube Postal Box
#FMKRCU 127 x 127 x 127mm
From £0.22£0.26
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Kraft 1-Piece Thin A6 Corrugated Postal Gift Box Kraft 1-Piece Thin A6 Corrugated Postal Gift Box
From £0.29£0.35
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Slim A5 Corrugated Flat Mailing Box Slim A5 Corrugated Flat Mailing Box
#FMA5KR22 238 x 180 x 22mm
From £0.46£0.55
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Slim A4 Corrugated Flat Mailing Box Slim A4 Corrugated Flat Mailing Box
#FMA4KR22 322 x 228 x 22mm
From £0.67£0.80
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Kraft Brown Double Walled Postal Box for Deep Magnetic Box Kraft Brown Double Walled Postal Box for Deep Magnetic Box
From £0.85£1.02
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Kraft Brown Double Walled Postal Box for Deep Magnetic Box Kraft Brown Double Walled Postal Box for Deep Magnetic Box
From £0.99£1.19
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Pack of 50 Single Wall White Packing Boxes
#W2ASCV030306 76 x 76 x 152mm
£14.82 £12.35
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Pack of 25 Square Single Wall Kraft Packing Boxes 155mm Pack of 25 Square Single Wall Kraft Packing Boxes 155mm
£15.23 £12.69
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Pack of 50 Small White Corrugated Postal Boxes 95mm length Pack of 50 Small White Corrugated Postal Boxes 95mm length
£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
£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
£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
£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
£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
£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
£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
£43.37 £36.14
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Pack of 10 E-Commerce Corrugated Kraft Boxes 205mm length Pack of 10 E-Commerce Corrugated Kraft Boxes 205mm length
£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
£29.92 £24.93
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Rollor™ Medium Kraft Protective Bottle Mailer Rollor™ Medium Kraft Protective Bottle Mailer
£5.54 £4.62
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Apricot Crush Orange 1-Piece A6 Mailing Gift Box Apricot Crush Orange 1-Piece A6 Mailing Gift Box
From £0.78 £0.65
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Showing 58 of 58 products

What’s a flat-pack box?

A flat-pack box is packaging that arrives flat and easily folds into shape. Unlike rigid boxes, flat-pack boxes save storage space and shipping costs by being compact until needed. 

Discover our range of rigid two-piece postal boxes here, also ideal for premium gift packaging.

Key benefits:

Space-saving: Store flat and assemble only when needed, ideal for businesses managing limited storage space. 

Easy assembly: Quick-fold designs with self-locking tabs - no tape or glue required.

Durable protection: Strong corrugated cardboard ensures safe shipping for delicate items. 

Customisable: Easily branded with logos or custom designs, enhancing your customer's unboxing experience.

Common uses:

E-commerce shipping: Secure, professional packaging for online retailers.

Gifts & subscriptions: Durable and stylish for a memorable unboxing experience. 

Storage & organisation: Convenient for storing documents, books, and supplies at home or in the office.

Explore our complete selection of postal boxes here!

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