Top 8 Cardboard Postal Boxes UK – Box Mailers

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1. SR Mailing

50X C4 A4 Size Box Large Letter Strong Cardboard Shipping Mailing Postal Pip, LGELETBOXC4005

SR Mailing - Made from a hard 1. 2mm thick single wall cardboard. A4/c4: external size: 345mmm x 240mm x 22mm 13. 6" x 9. 5" x 08" - large Letter qualifying. Brown c4/a4 pricing in proportion pip cardboard postal boxes. Delivered flat-packed, securely wrapped. Quick and easy to assemble, sealable with clear/brown tape.
BrandSR Mailing
ManufacturerSR Mailing
Part NumberLGELETBOXC4005
ModelLGELETBOXC4005

2. iDEALS UK PACKAGING LTD

Folding Lid Self Locking Postal Strong Cardboard Boxes 250 x 250 x 75mm 10'' x 10'' x 3'' Royal Mail Small Parcel Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble. 20

iDEALS UK PACKAGING LTD - Weight* : 170 grams approx / Box. Great quality and finish cardboard boxes allows you to present your items / gifts look premium. Parcel boxes - these parcel boxes are designed to provide maximum protection for your products and are designed to fit in various types of products i. E multi electrical items, perfumes, shaving & men/women toiletries items, catalogues and much more! Colour: Brown, tablets, Internal Size* : 250 x 250 x 75mm 10''x10''x3''. Made with strong/Thick cardboard.
BrandiDEALS UK PACKAGING LTD
ManufactureriDEALS UK PACKAGING LTD
Part NumberBDCP-10103

3. SmithPackaging

SmithPackaging C5 Brown Large Letter Cardboard Postal Boxes Pack of 50 229 x 162 x 20mm

SmithPackaging - Pack of 50 c5 large letter cardboard postal boxes. Made from strong single wall corrugated cardboard. Each box has internal dimensions of 229x162x20mm. Quick to assemble with easy folding design, no tape or other sealing equipment is needed. Designed to adhere to Royal Mail large letter sizes to save on shipping costs. Manufactured in the UK and 100% recyclable.
BrandSmithPackaging
ManufacturerSmithPackaging

4. iDEALS UK PACKAGING LTD

Flat Packed Easy to Assemble 10, White Cardboard Folding Lid Self Seal Postal Boxes 236 x 196 x 47mm Royal Mail Small Parcel/Packet Mailing Cartons Self-Lock Tuck-in Flaps

iDEALS UK PACKAGING LTD - Great quality and finish white cardboard boxes allows you to present your items / gifts look premium. Parcel boxes - these c5 size parcel boxes are designed to provide maximum protection for your products and are designed to fit in various types of products i. E multi dvd collections, catalogues and much more! colour: brown, Shaving & men/women toiletries items, small A5 size books, tablets, perfumes, Internal Size* : 236 x 196 x 47mm 9.3''x7. 7''x1. 85''. Weight* : 85 grams Approx / Box.
BrandiDEALS UK PACKAGING LTD
ManufactureriDEALS UK PACKAGING LTD
Height4.7 cm (1.85 Inches)
Length23.6 cm (9.29 Inches)
Weight0.08 kg (0.19 Pounds)
Width19.6 cm (7.72 Inches)
Part NumberWDCP-C5

5. Triplast

Triplast 229 x 152 x 152mm Small Single Wall 9x6x6" Shipping Mailing Postal Gift Cuboid Cardboard Boxes Pack of 5

Triplast - Triplast corrugated Single Wall Cardboard. 5 flat packed Boxes. Model number: tplbx5sINGL9X6X6. 9x6x6" 229x152x152mm.
BrandTriplast
ManufacturerTriplast
Height15.2 cm (5.98 Inches)
Length15.2 cm (5.98 Inches)
Weight0.08 kg (0.18 Pounds)
Width22.9 cm (9.02 Inches)
Part NumberTPLBX5SINGL9X6X6
ModelTPLBX5SINGL9X6X6

6. STORM TRADING GROUP

50 x WHITE C5 A5 Size Box Large Letter Strong Cardboard Shipping MAILING Postal Box PIP, Internal Size: 235x165x22mm

STORM TRADING GROUP - Our white c5 die cut postal boxes are perfect for effective and efficient shipping of your lightweight items. External cardboard c5 box size: 235mm x 165mm x 22mm Approx Large Letter Qualifying.

Internal cardboard c5 box size: 225mm x 160mm x 20mm, Recommended Weight: 35g. Quantity: 50 boxes x c5 / a5 pricing In Proportion PIP White Cardboard Postal Boxes. Made from high quality single wall board, our white postal boxes are supplied flat packed in bundles to ensure easy storage and handling. These postal boxes are designed to fit inside the Large Letter sizing guide to reduce postage costs.
BrandSTORM TRADING GROUP
ManufacturerSTORM TRADING GROUP

7. AKAR

AKAR C5 A5 218 x 159 x 20 mm Brown PIP Cardboard Large Letter Postal Box for Royal Mail 50

AKAR - Dimensions : 218 x 159 x 20 mm. Brown cardboard Postal Boxes - C5 A5. Securely wrapped. Made from a strong Thick Card - Lightweight. Suitable to send items via Royal Mail Larger Letter to save £££ on postage.
BrandAKAR
ManufacturerAKAR
Height2 cm (0.79 Inches)
Length21.8 cm (8.58 Inches)
Weight0.03 kg (0.08 Pounds)
Width15.9 cm (6.26 Inches)
Part NumberAKAR-PIP-C5

8. Triplast

Triplast C6 160 x 110 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail Pack of 5

Triplast - Model number: PIPC6. Easy to construct with fold over ends and ear lock lids. Dimensions: 160x110x20mm 6. 3"x4. 3"x08". 125 wk/t - high quality 0427 Style. White pip die cut and fits within Royal Mail large letter guidelines.
BrandTriplast
ManufacturerTriplast
Height2.1 cm (0.83 Inches)
Length11.5 cm (4.53 Inches)
Weight0.02 kg (0.06 Pounds)
Width18 cm (7.09 Inches)
Part NumberPIPC6
ModelPIPC6