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Postal 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.

Learn More
Small Postal BoxesSmall Postal Boxes
Medium Postal BoxesMedium Postal Boxes
Large Postal BoxesLarge Postal Boxes
Postal Boxes to fit A4Postal Boxes to fit A4
Postal Boxes to fit A5Postal Boxes to fit A5
Postal Boxes to fit A6Postal Boxes to fit A6
Flat Packed Postal BoxesFlat Packed Postal Boxes
Rigid Two-Piece Postal BoxesRigid Two-Piece Postal Boxes
Pizza Box Style Postal BoxesPizza Box Style Postal Boxes
Book Wrap MailersBook Wrap Mailers
Packing ItemsPacking Items
White Postal BoxesWhite Postal Boxes
Black Postal BoxesBlack Postal Boxes
Kraft Postal BoxesKraft Postal Boxes
Recycled Cardboard EnvelopesRecycled Cardboard Envelopes
Recycled Postal BagsRecycled Postal Bags
Flexi-Hex® Postal Sleeves Flexi-Hex® Postal Sleeves
Recycled Jiffy BagsRecycled Jiffy Bags
Subscription Postal BoxesSubscription Postal Boxes
Flower BoxesFlower Boxes
Paper Mailing BagsPaper Mailing Bags
Postal Boxes with Coloured LiningPostal Boxes with Coloured Lining
Royal Mail Large Letter BoxesRoyal Mail Large Letter Boxes

147 products

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  1. Kraft Paper Tape with Black Leaf Design and I'm 100% Recyclable Text 50 metres x 37.5mm Kraft Paper Tape with Black Leaf Design and I'm 100% Recyclable Text 50 metres x 37.5mm
    Kraft Paper Tape with Black Leaf Design and I'm 100% Recyclable Text 50 metres x 37.5mm
    TAPKRBL 50m x 37.5mm
    £6.59 £5.49
  2. White Paper Tape with Black Leaf Design and I'm 100% Recyclable Text 50 metres x 37.5mm
    White Paper Tape with Black Leaf Design and I'm 100% Recyclable Text 50 metres x 37.5mm
    TAPWHBL 50m x 37.5mm
    £6.59 £5.49
  3. White Paper Tape with Green Polka Dots 50 metres x 37.5mm
    White Paper Tape with Green Polka Dots 50 metres x 37.5mm
    TAPWHGP 50m x 37.5mm
    £6.59 £5.49
  4. White Paper Tape with Pink Polka Dots 50 metres x 37.5mm
    White Paper Tape with Pink Polka Dots 50 metres x 37.5mm
    TAPWHPP 50m x 37.5mm
    £6.59 £5.49
  5. White Paper Tape with Rainbows 50 metres x 37.5mm
    White Paper Tape with Rainbows 50 metres x 37.5mm
    TAPWHRA 50m x 37.5mm
    £6.59 £5.49
  6. White Paper Tape with Pink Fragile Text 50 metres x 50mm White Paper Tape with Pink Fragile Text 50 metres x 50mm
    White Paper Tape with Pink Fragile Text 50 metres x 50mm
    TAPWHPF 50m x 50mm
    £7.91 £6.59
  7. White Paper Tape with Black Fragile Text 50 metres x 50mm White Paper Tape with Black Fragile Text 50 metres x 50mm
    White Paper Tape with Black Fragile Text 50 metres x 50mm
    TAPWHBF 50m x 50mm
    £7.91 £6.59
  8. White Kraft Paper Tape
    White Paper Tape 50 metres x 50mm
    TAPWH50 50m x 50mm
    From £3.82£3.18
    £4.62 £3.85
  9. Red Fragile Kraft Paper Tape 50 metres
    Red Fragile Kraft Paper Tape 50 metres x 50mm
    TAPKRRF 50m x 50mm
    £4.62 £3.85
  10. Kraft paper tape with white polka dots
    Kraft Paper Tape with White Polka Dots 50 metres x 37.5mm
    TAPKRWP 50m x 37.5mm
    £6.59 £5.49
  11. White paper tape with black polka dots
    White Paper Tape with Black Polka Dots 50 metres x 37.5mm
    TAPWHBP 50m x 37.5mm
    £6.59 £5.49
  12. White paper tape with lilac dots
    White Paper Tape with Lilac Polka Dots 50 metres x 37.5mm
    TAPWHLP 50m x 37.5mm
    £6.59 £5.49
  13. White paper tape with lilac leaves
    White Paper Tape with Lilac Leaf I'm 100% Recyclable 50 metres x 37.5mm
    TAPWHLL 50m x 37.5mm
    £6.59 £5.49
  14. White paper tape with lilac fragile text
    White Paper Tape with Lilac Fragile Text 50 metres x 50mm
    TAPWHLF 50m x 50mm
    £7.91 £6.59
  15. White Mailing Box For 154 X 150 X 60mm White White Corrugated Postal Box White Internal 154mm length
    Brand OnlineNo Insert White Corrugated Postal Box White Internal 154mm length
    FMWW03 154 x 150 x 60mm
    From £0.36£0.30
    £0.72 £0.60
  16. Grey Mailing Bags Recyclable
    Small Grey Recycled Postal Bags (Mailing Bags) Pack of 100
    MBGR16 162 x 230mm
    From £3.05£2.54
    £6.10 £5.08
  17. Grey Mailing Bags Recyclable
    Medium Grey Recycled Postal Bags (Mailing Bags) Pack of 100
    MBGR25 250 x 350mm
    From £5.14£4.28
    £10.27 £8.56
  18. Grey Mailing Bags Recyclable
    Large Grey Recycled Postal Bags (Mailing Bags) Pack of 100
    MBGR30 305 x 405mm
    From £7.69£6.41
    £15.40 £12.83
  19. Grey Mailing Bag recyclable
    Extra Large Grey Recycled Postal Bags (Mailing Bags) Pack of 100
    MBGR42 425 x 600mm
    From £11.60£9.67
    £23.21 £19.34
  20. Roll Of Small Round Clear Stickers X 1000 Clear
    Small Round Clear Stickers 19mm - Roll of 1000
    STCL19 19 x 19mm
    £9.40 £7.83
  21. Roll Of Large Round Clear Stickers X 1000 Clear
    Large Round Clear Stickers 25mm - Roll of 1000
    STCL25 25 x 25mm
    £10.51 £8.76
  22. Craft Glue Dots 3mm Diameter X300 Roll Clear
    Craft Glue Dots 3mm - Roll of 300
    GLCL03 3mm
    £4.93 £4.11
  23. Silver Bow Stretch Loops - Pack Of 50 Silver
    Silver Bow Stretch Loops - Pack of 50 - 11cm-20cm
    LOSI50 229 x 324 mm
    £3.28 £2.73
  24. Black Bow Stretch Loops
    Black Bow Stretch Loops - Pack of 50 - 11cm-20cm
    LOBL50 229 x 324 mm
    £3.28 £2.73
  25. Kraft Earring Holders | Pack Of 100 Kraft
    Kraft Earring Holders 35 x 25mm - Pack of 100
    EHKR35 35 x 25mm
    £3.28 £2.73
  26. Kraft Necklace Holders | Pack of 100 Kraft
    Kraft Necklace Holders 50 x 50mm - Pack of 100
    NHKR50 50 x 50mm
    £4.48 £3.73
  27. White/Black reversible foam Reversible Black & White Foam Insert For Kraft Earring Range
    Reversible Black & White Foam Insert For Kraft Earring Range
    FOBW04 61 x 40 x 10mm
    £0.17 £0.14
  28. White/Black reversible foam Reversible Black & White Foam Insert For Earring Boxes
    Reversible Black & White Foam Insert For Earring Boxes
    FOBW06 75 x 54 x 10mm
    £0.17 £0.14
  29. Merry Christmas White Paper Tape
    Merry Christmas White Paper Tape 50 metres x 37.5mm
    TAPWHXM 50m x 37.5mm
    £6.59 £5.49
  30. Merry Christmas Kraft Paper Tape
    Merry Christmas Kraft Paper Tape 50 metres x 37.5mm
    TAPKRXM 50m x 37.5mm
    £6.59 £5.49
  31. Black Foam insert 8mm thick Black Foam Insert For Bangle Boxes
    Black Foam Insert For Bangle Boxes
    OOFOBABL8 93 x 93 x 8mm
    £0.14 £0.12
  32. Black Foam insert 8mm thick Black Foam Insert For A6 Boxes
    Black Foam Insert For A6 Boxes
    OOFOA6BL15 165 x 116 x 15mm
    £0.20 £0.17
  33. Black Foam insert 8mm thick Black Foam Insert For A5 Boxes
    Black Foam Insert For A5 Boxes
    OOFOA5BL5 230 x 165 x 5mm
    £0.20 £0.17
  34. Black Foam insert 8mm thick Black & White Foam Insert For Bangle Boxes
    Black & White Foam Insert For Bangle Boxes
    OOFOBABW6 100 x 100 x 6mm
    £0.14 £0.12
  35. Black Foam insert 8mm thick Black & White Foam Insert For Earring Boxes
    Black & White Foam Insert For Earring Boxes
    OOFOEABW6 75 x 55 x 6mm
    £0.14 £0.12
  36. Black Foam insert 8mm thick Black Foam Insert For Stud Boxes
    Black Foam Insert For Stud Boxes
    OOFOSTBL5 52 x 52 x 5mm
    £0.12 £0.10
  37. Black Foam insert 8mm thick Black & White Foam Insert For Stud Boxes
    Black & White Foam Insert For Stud Boxes
    OOFOSTBW5 52 x 52 x 5mm
    £0.12 £0.10
  38. A6 Black and white foam Black & White Foam Insert For A6 Boxes
    Black & White Foam Insert For A6 Boxes
    OOFOA6BW5 165 x 116 x 17mm
    £0.17 £0.14
  39. Black Foam insert 8mm thick Black Foam Insert For Large Matchbox Boxes
    Black Foam Insert For Large Matchbox Boxes
    OOFOMTLB5 130 x 130 x 5mm
    £0.20 £0.17
  40. Small white matchbox foam insert White Foam Insert For Matchbox Boxes
    White Foam Insert For Matchbox Boxes
    OOFOMTSW5 68 x 68 x 5mm
    £0.16 £0.13
  41. Black Foam insert 8mm thick Black Foam Insert For Earring Boxes
    Black Foam Insert For Earring Boxes
    OOFOEABL10 75 x 55 x 10mm
    £0.14 £0.12
  42. Black Foam insert 55 x 55mm Black Foam Insert For Ring Boxes
    Black Foam Insert For Ring Boxes
    OOFORIBL18 55 x 55mm
    £0.14 £0.12
  43. White Foam Insert 55 x 55mm White Foam Insert For Ring Boxes
    White Foam Insert For Ring Boxes
    OOFORIWH18 55 x 55mm
    £0.14 £0.12
  44. Apricot Crush Orange Thin Mailing Box Apricot Crush Orange 1-Piece A6 Mailing Gift Box
    Brand me Apricot Crush Orange 1-Piece A6 Mailing Gift Box
    FMA6AC22 178 x 131 x 22mm
    £0.76 £0.63

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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.

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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