The lowest delivered price we found for 20×18×18 inch (510×455×455mm) cardboard boxes is £2.29 per box: 200 boxes for £457.00 delivered (double wall · standard carton). We have 6 checked prices for this size from 1 sellers on eBay UK; delivered prices run from £2.29 to £3.88 per box, depending on pack size and on wall strength and fold style. For a smaller order, the lowest price in a pack costing £50 or less is £2.77 per box (10 boxes for £27.70 delivered). Prices were pulled 16 October 2026 and are a snapshot, not live.
Dark green = the cheapest pack size in that row, paler green = close to it. Hover a price for the delivered total, click or right-click it for the listing.
| Type | 5 boxes | 10 boxes | 20 boxes | 50 boxes | 100 boxes | 200 boxes |
|---|---|---|---|---|---|---|
| double wall · standard carton | £3.88 | £2.77 | £2.65 | £2.46 | £2.29 | £2.29 |
Each price is the delivered cost (item + delivery) divided by what you get, checked against its own listing. How we check.
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Links to eBay on this site may become affiliate links. If they do, we will say so here and we may earn a commission at no extra cost to you.
Prices are taken from eBay UK listings on the date shown on each page and can change; always confirm the price on eBay before buying. Not affiliated with or endorsed by eBay.