Prices include delivery · updated 16 October 2026 · Flat-packed boxes that fold up without tape, including Royal Mail large letter and small parcel boxes.
Rows are sizes, columns are how many you buy. Prices are per box, delivery included. Darker green means better value. Click a price for the listing.
Pick a size, then compare. Prices are per box, delivery included. Darker green means better value. Tap a price for the listing.
| Size (mm) | inches | 1 box | 5 boxes | 10 boxes | 20 boxes | 25 boxes | 50 boxes | 100 boxes | 200 boxes | 500 boxes | 1000 boxes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 101×101×20 | 4.0×4.0×0.8 | £1.06 | 64.2p | 39.0p | 29.7p | 17.8p | 12.9p | 7.9p | 6.3p | 7.7p | 6.9p |
| 163×112×21 | 6.4×4.4×0.8 | – | 84.0p | 47.0p | 32.4p | 23.8p | 18.9p | 14.4p | 12.2p | 11.8p | 10.8p |
| 102×76×51 | 4.0×3.0×2.0 | – | £1.40 | 81.9p | – | 48.0p | 33.4p | 32.1p | 29.6p | – | – |
| 216×110×20 | 8.5×4.3×0.8 | £2.95 | 89.0p | 49.9p | 35.0p | 29.8p | 18.9p | 16.4p | 13.0p | 12.5p | 11.5p |
| 222×160×20 | 8.7×6.3×0.8 | – | 75.0p | 44.5p | 36.0p | 31.8p | 23.3p | 17.9p | 16.2p | 15.8p | 14.8p |
| 114×102×70 | 4.5×4.0×2.8 | – | – | 97.5p | – | – | – | 49.0p | – | – | – |
| 140×127×51 | 5.5×5.0×2.0 | – | £1.10 | 71.9p | 59.5p | 50.8p | 37.8p | 32.7p | 28.4p | 25.8p | – |
| 120×100×80 | 4.7×3.9×3.1 | – | £1.40 | – | – | 57.1p | 46.3p | 40.6p | 36.2p | 34.7p | 29.6p |
| 127×102×76 | 5.0×4.0×3.0 | £5.35 | £1.37 | 84.9p | 72.8p | 52.0p | 40.2p | 31.4p | 34.0p | 33.9p | 29.9p |
| 101×101×101 | 4.0×4.0×4.0 | – | £1.06 | 59.8p | – | 33.9p | 31.0p | 21.7p | 18.1p | 16.4p | – |
| 178×127×51 | 7.0×5.0×2.0 | – | £1.47 | 86.1p | 60.3p | 52.8p | 40.0p | 34.5p | 33.2p | 32.0p | 31.7p |
| 203×114×51 | 8.0×4.5×2.0 | – | – | 81.5p | 55.0p | 58.4p | 45.4p | 37.9p | 34.6p | 32.9p | – |
| 178×140×51 | 7.0×5.5×2.0 | – | £1.46 | 85.6p | 66.6p | 52.7p | 37.3p | 39.6p | 34.7p | 33.8p | 30.7p |
| 130×110×90 | 5.1×4.3×3.5 | – | £1.35 | 99.7p | 77.4p | – | – | 49.5p | 44.1p | 42.3p | 41.2p |
| 320×230×20 | 12.6×9.1×0.8 | £1.99 | 97.8p | 56.5p | 49.9p | 41.4p | 30.5p | 23.9p | 24.2p | 20.5p | 20.3p |
| 152×152×64 | 6.0×6.0×2.5 | £5.45 | £1.43 | 84.1p | 59.4p | 39.7p | 39.4p | 34.3p | 33.1p | 31.9p | 31.7p |
| 230×150×50 | 9.1×5.9×2.0 | – | £1.39 | 89.8p | – | – | – | 38.6p | 37.7p | 36.5p | – |
| 345×240×22 | 13.6×9.4×0.9 | – | – | 62.9p | 52.4p | 44.4p | 34.0p | 27.0p | 26.0p | – | 24.8p |
| 200×100×100 | 7.9×3.9×3.9 | – | £1.69 | £1.09 | 82.8p | 58.6p | 57.3p | 44.5p | 47.6p | 40.4p | 40.4p |
| 127×127×127 | 5.0×5.0×5.0 | – | – | 64.8p | – | 35.9p | 33.9p | 24.8p | 20.9p | 18.8p | – |
| 250×210×50 | 9.8×8.3×2.0 | – | £1.39 | 97.9p | 75.5p | – | 58.6p | – | – | – | – |
| 178×127×127 | 7.0×5.0×5.0 | – | – | 66.9p | – | 38.8p | 37.5p | 28.2p | 22.8p | 20.4p | – |
| 305×152×64 | 12.0×6.0×2.5 | – | – | – | – | – | 58.5p | – | – | – | – |
| 203×152×102 | 8.0×6.0×4.0 | – | £1.20 | 69.8p | – | 39.9p | 39.4p | 28.3p | 23.0p | 21.2p | – |
| 250×175×75 | 9.8×6.9×3.0 | £6.42 | £1.58 | £1.07 | 74.7p | 66.2p | 54.0p | 50.0p | 49.3p | 46.5p | 50.0p |
| 152×152×152 | 6.0×6.0×6.0 | – | – | 66.9p | – | 38.8p | 33.1p | 28.3p | 22.8p | – | – |
| 270×180×80 | 10.6×7.1×3.1 | – | £1.69 | £1.13 | 84.9p | 90.8p | 70.8p | 68.3p | 65.9p | 59.8p | 58.9p |
| 260×152×100 | 10.2×6.0×3.9 | – | £1.05 | 94.8p | 74.5p | 65.0p | 54.5p | 55.4p | 50.3p | 50.4p | 49.9p |
| 305×229×64 | 12.0×9.0×2.5 | – | £1.81 | £1.12 | – | 61.0p | 52.5p | 50.3p | 45.3p | 50.3p | – |
| 203×152×152 | 8.0×6.0×6.0 | – | – | 71.9p | – | 41.2p | 39.6p | 29.8p | 25.0p | – | – |
| 229×152×152 | 9.0×6.0×6.0 | – | – | 74.8p | – | 41.6p | 39.4p | 30.4p | 25.0p | – | – |
| 305×229×76 | 12.0×9.0×3.0 | – | – | 88.5p | – | 61.9p | 47.6p | 39.8p | 34.5p | – | – |
| 420×260×50 | 16.5×10.2×2.0 | – | £1.79 | – | £1.10 | – | £1.03 | – | 91.2p | – | – |
| 348×250×72 | 13.7×9.8×2.8 | – | – | – | £1.17 | – | £1.11 | £1.06 | £1.03 | – | £1.00 |
| 300×240×100 | 11.8×9.4×3.9 | £7.29 | £1.54 | 87.9p | 72.4p | 63.2p | 45.4p | 38.7p | 34.0p | 34.0p | 61.8p |
| 394×305×64 | 15.5×12.0×2.5 | – | £2.07 | £1.38 | £1.04 | 98.6p | 84.8p | 75.3p | 74.3p | 73.8p | – |
| 305×254×102 | 12.0×10.0×4.0 | – | £1.95 | £1.37 | £1.52 | 89.0p | 72.5p | 67.0p | 72.8p | 70.0p | – |
| 360×280×80 | 14.2×11.0×3.1 | – | – | £1.42 | £1.20 | – | £1.07 | 98.9p | – | 93.5p | – |
| 419×338×72 | 16.5×13.3×2.8 | – | £1.99 | £1.55 | £1.30 | £1.15 | 92.5p | £1.02 | £1.01 | 96.4p | – |
| 457×305×76 | 18.0×12.0×3.0 | – | – | – | – | 90.8p | 73.0p | 70.0p | – | – | – |
| 305×229×152 | 12.0×9.0×6.0 | – | – | 94.8p | – | 70.0p | 49.4p | 40.0p | 37.0p | – | – |
| 450×350×80 | 17.7×13.8×3.1 | – | £1.67 | £1.26 | – | 90.6p | 78.5p | 77.2p | 73.5p | – | – |
| 381×279×127 | 15.0×11.0×5.0 | – | £2.44 | £1.71 | £1.26 | £1.19 | 97.1p | 83.2p | 75.6p | 79.0p | – |
| 350×250×160 | 13.8×9.8×6.3 | – | £1.41 | 91.5p | – | 64.6p | 52.8p | 51.6p | 48.2p | 47.7p | – |
| 305×229×229 | 12.0×9.0×9.0 | – | – | 96.9p | – | 73.2p | 56.4p | 43.8p | 43.0p | – | – |
| 305×305×229 | 12.0×12.0×9.0 | – | – | £1.03 | – | 89.5p | 62.4p | 56.0p | 51.0p | – | – |
| 432×330×152 | 17.0×13.0×6.0 | – | £2.08 | £1.57 | £1.20 | £1.07 | 91.6p | 90.0p | 85.1p | 82.1p | – |
| 457×305×178 | 18.0×12.0×7.0 | – | – | – | – | 99.9p | 79.7p | 79.1p | 79.0p | – | – |
| 450×350×160 | 17.7×13.8×6.3 | – | – | £1.24 | £1.11 | 88.8p | 76.8p | 75.5p | 71.8p | 71.2p | – |
| 330×318×254 | 13.0×12.5×10.0 | – | – | – | – | 97.9p | 74.4p | 66.0p | – | – | – |
| 457×305×254 | 18.0×12.0×10.0 | – | – | – | – | – | – | 82.0p | 82.0p | – | – |
Sizes are as the seller lists them, so allow a little room. Printed boxes and anything out of stock are left out. Prices can change, so check the price on eBay before you buy. How it works.
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