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Your UK specialists in eco-friendly and sustainable gift packaging

Flat Packed Postal Boxes

At Tiny Box Company we have an impressive range of flat-packed boxes. There are many different sizes to choose from so we are confident you will find mailing boxes to suit your personal needs.

These flat-pack boxes are not only easy to put together but are also handy for storing away. These is no order limit on any of these delivery boxes so if you want either 1 or 100 that is fine with us!

Our mandate is to provide and use as much recycled material as we possibly can so we take particular pride in telling our customers that all of our Kraft brown flat packed mailing boxes are fully recycled.

If you have any questions please do not hesitate to contact us. We are here to help!

51 products

44 of 51 results

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  1. White Mailing Box For 103 X 85 X 60mm White
    Brand OnlineNo Insert
    White Corrugated Postal Box For 103 X 85 X 60mm
    FMWH01 103 x 85 x 60mm
    From £0.34£0.28
    £0.50 £0.42
  2. White Mailing Box For 125 X 114 X 85mm White
    Brand OnlineNo Insert
    White Corrugated Postal Box For 125 X 103 X 80mm
    FMWH02 125 x 103 x 80mm
    From £0.40£0.33
    £0.64 £0.53
  3. White Mailing Box For 154 X 150 X 60mm White
    Brand OnlineNo Insert
    White Corrugated Postal Box For 154 X 150 X 60mm
    FMWH03 154 x 150 x 60mm
    From £0.42£0.35
    £0.66 £0.55
  4. White Mailing Box For 178 X 144 X 56mm White
    Brand OnlineNo Insert
    White Corrugated Postal Box
    FMWH08 178 x 144 x 56mm
    From £0.43£0.36
    £0.67 £0.56
  5. White Flat Packed Plain Mug Gift Box
    Brand me
    White Flat Packed Micro Corrugated Mug Gift Box
    FCWHMU 112 x 112 x 112mm
    £1.03 £0.86
  6. Kraft Flat Packed Plain Mug Gift Box
    Brand me
    Kraft Flat Packed Micro Corrugated Mug Gift Box
    FCKRMU 112 x 112 x 112mm
    £1.03 £0.86
  7. Black Postal Mailer Box | Black
    Slim 1-Piece Flat Black Corrugated Postal Box
    FMBL09 322 x 180 x 20mm
    From £0.84£0.70
    £1.03 £0.86
  8. Black 1-Piece A4 Postal Box
    Brand Online
    Black 1-Piece A4 Corrugated Postal Box
    FMBLA4 322 x 228 x 55mm
    From £1.61£1.34
    £1.85 £1.54
  9. kraft corrugated cardboard wrap mailer with perforated tab opening and strong self adhesive seal
    Kraft Perforated Wrap Small Mailing Box with Tear Strip
    FMKR54 257 x 165 x 45mm
    From £0.40£0.33
    £0.65 £0.54
  10. kraft corrugated cardboard wrap mailer with perforated tab opening and strong self adhesive seal
    Kraft Perforated Wrap Medium Mailing Box with Tear Strip
    FMKR58 317 x 211 x 67mm
    From £0.60£0.50
    £0.76 £0.63
  11. kraft corrugated cardboard wrap mailer with perforated tab opening and strong self adhesive seal
    Kraft Perforated Wrap Large Mailing Box with Tear Strip
    FMKR64 347 x 255 x 47mm
    From £0.73£0.61
    £0.88 £0.73
  12. Black One Piece Matchbox Postal Box |Closed
    Black 1-Piece Matchbox Corrugated Postal Box
    FMBL11 139 x 139 x 20mm
    From £0.78£0.65
    £0.92 £0.77
  13. Kraft Earring Holder with earrings
    Brand me
    Earring Holder Kraft Mailer
    EMKR65 65 x 65 x 12mm
    £0.20 £0.17
  14. Earrings shown in white earring holder
    Brand me
    Earring Holder White Mailer
    EMWH65 65 x 65 x 12mm
    £0.20 £0.17
  15. Bottle Packaging protective mailer
    Rollor™ Medium Kraft Protective Bottle Mailer
    BWRPKRME 433 x 147 x 135mm
    £5.04 £4.20
  16. 1 Piece A5 Mailing Gift Box Kraft
    Brand OnlineNo InsertBestseller
    Kraft 1-Piece A5 Corrugated Postal Box
    FMKRA5 244 x 180 x 55mm
    From £0.53£0.44
    £0.84 £0.70
  17. 1 Piece A4 Mailing Gift Box Kraft
    Brand OnlineNo Insert
    Kraft 1-Piece A4 Corrugated Postal Box
    FMKRA4 322 x 228 x 55mm
    From £0.76£0.63
    £1.19 £0.99
  18. Mailing Box For Medium Snap Shut Box - 218 X 175 X 90mm Kraft
    Brand OnlineNo Insert
    Kraft Brown Postal Box For Mailing Medium Snap Shut Box
    FMKR16 218 x 175 x 90mm
    From £0.65£0.54
    £0.76 £0.63
  19. Mailing Box For Deep Snap Shut Box - 300 x 235 x 122mm Kraft
    Brand OnlineNo Insert
    Kraft Brown Postal Box For Mailing Deep Snap Shut Box
    FMKR22 300 x 235 x 122mm
    From £0.83£0.69
    £1.01 £0.84
  20. Mailing Box For Small Snap Shut Box - 158 X 135 X 75mm Kraft
    Brand OnlineNo Insert
    Kraft Brown Postal Box For Mailing Small Snap Shut Box
    FMKR12 158 x 135 x 75mm
    From £0.37£0.31
    £0.43 £0.36
  21. One-Piece Cube Mailing Box Kraft
    Brand meNo Insert
    Kraft 1-Piece Cube Postal Box
    FMKRCU 127 x 127 x 127mm
    From £0.23£0.19
    £0.37 £0.31
  22. 1 Piece Thin A6 Mailing Gift Box Kraft
    Brand OnlineNo Insert
    Kraft 1-Piece Thin A6 Corrugated Postal Gift Box
    FMA6KR22 178 x 131 x 22mm
    From £0.30£0.25
    £0.49 £0.41
  23. Slim A5 Corrugated Flat Mailing Box
    Brand Online
    Slim A5 Corrugated Flat Mailing Box
    FMA5KR22 238 x 180 x 22mm
    From £0.49£0.41
    £0.78 £0.65
  24. 1 Piece Thin A4 Mailing Gift Box Kraft
    Brand Online
    Slim A4 Corrugated Flat Mailing Box
    FMA4KR22 322 x 228 x 22mm
    From £0.71£0.59
    £1.07 £0.89
  25. Pack of 50 Single Wall White Packing Boxes - 76 x 76 x 152mm
    Pack of 50 Single Wall White Packing Boxes - 76 x 76 x 152mm
    W2ASCV030306 76 x 76 x 152mm
    £13.08 £10.90
  26. Pack of 25 Square Single Wall Kraft Packing Boxes - 155 x 155 x 155mm
    Pack of 25 Square Single Wall Kraft Packing Boxes - 155 x 155 x 155mm
    W2ASCV060606 155 x 155 x 155mm
    £13.44 £11.20
  27. Pack of 50 Small White Corrugated Postal Boxes - 95 x 75 x 38mm
    No Insert
    Pack of 50 Small White Corrugated Postal Boxes - 95 x 75 x 38mm
    W2ASCDB1 95 x 75 x 38mm
    £12.00 £10.00
  28. Pack of 50 Medium White Corrugated Postal Boxes - 152 x 100 x 70mm
    No Insert
    Pack of 50 Medium White Corrugated Postal Boxes - 152 x 100 x 70mm
    W2ASCDB26 152 x 100 x 70mm
    £15.60 £13.00
  29. Pack of 50 Medium White Corrugated Postal Boxes - 305 x 213 x 50mm
    No Insert
    Pack of 50 Medium White Corrugated Postal Boxes - 305 x 213 x 50mm
    W2ASCDB45 305 x 213 x 50mm
    £29.28 £24.40
  30. Pack of 50 Medium White Corrugated Postal Boxes - 207 x 139 x 90mm
    Free ShippingNo Insert
    Pack of 50 Medium White Corrugated Postal Boxes - 207 x 139 x 90mm
    W2ASCDB6 207 x 139 x 90mm
    £25.68 £21.40
  31. Pack of 10 Corrugated Kraft Box - 250 x 150 x 100mm
    Pack of 10 E-Commerce Corrugated Kraft Boxes - 205 x 150 x 100mm
    W2ASCEB1 205 x 150 x 100mm
    £12.38 £10.32
  32. Corrugated Kraft Box in a pack of 10 - 450 x 300 x 150mm
    Pack of 10 E-Commerce Corrugated Kraft Boxes - 450 x 300 x 150mm
    W2ASCEB3 450 x 300 x 150mm
    £26.40 £22.00
  33. White Mailing Box For 320 X 238 X 68mm White
    Brand OnlineNo Insert
    White Corrugated Postal Box
    FMWH07 310 x 237 x 62mm
    From £0.49£0.41
    £0.76 £0.63
  34. Black Postal Mail Box
    Black 1-piece Tabbed Corrugated Postal Box
    FMBL07 310 x 237 x 62mm
    From £1.40£1.17
    £1.69 £1.41
  35. Black 1-Piece A6 Corrugated Postal Box
    Brand Online
    Black 1-Piece A6 Corrugated Postal Box
    FMBLA6 178 x 131 x 55mm
    From £0.67£0.56
    £0.83 £0.69
  36. Black 1-Piece A5 Corrugated Postal Box
    Brand Online
    Black 1-Piece A5 Corrugated Postal Box
    FMBLA5 244 x 180 x 55mm
    From £1.06£0.88
    £1.21 £1.01
  37. Kraft Brown Postal Box For Large Snapshut Mailing Box
    Kraft Brown Postal Box For Large Snapshut Mailing Box
    FMKR40 420 x 315 x 116mm
    From £1.32£1.10
    £1.68 £1.40
  38. Kraft Bottle Postal Box for Mailing
    Kraft Bottle Postal Box for Mailing
    FMKR33 345 x 105 x 105mm
    £0.54 £0.45
  39. Kraft Flower Letterbox Mailing Box
    No Insert
    Reversible Flower Letterbox Postal Mailing Box
    FLKR33 590 x 175 x 34mm
    £0.91 £0.76
  40. Lilac Deep 1 Piece A6 Mailing Gift Box
    COMING SOONBrand meNo Insert
    Lilac Deep 1 Piece A6 Mailing Gift Box
    FMLIA6 178 x 131 x 55mm
    £1.08 £0.90
  41. Rose Quartz Deep 1 Piece A6 Mailing Box
    COMING SOONBrand meNo Insert
    Rose Quartz Deep 1 Piece A6 Mailing Gift Box
    FMRQA6 178 x 131 x 55mm
    £1.08 £0.90
  42. Sage Green Deep 1 Piece A6 Mailing Box
    COMING SOONBrand meNo Insert
    Sage Green Deep 1 Piece A6 Mailing Gift Box
    FMSGA6 178 x 131 x 55mm
    £1.08 £0.90
  43. Radiant Red Deep 1 Piece A6 Mailing Box
    COMING SOONBrand meNo Insert
    Radiant Red Deep 1 Piece A6 Mailing Gift Box
    FMRRA6 178 x 131 x 55mm
    £1.08 £0.90
  44. Lilac 1 Piece A6 Mailing Box
    COMING SOONBrand me
    Lilac 1 Piece A6 Mailing Gift Box
    FMA6LI22 178 x 131 x 22mm
    £0.68 £0.57

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