The lowest delivered price we found for 20×20×20 inch (510×510×510mm) cardboard boxes is £3.04 per box: 10 boxes for £30.45 delivered (double wall · standard carton). We have 6 checked prices for this size from 4 sellers on eBay UK; delivered prices run from £3.04 to £16.79 per box, depending on pack size and on wall strength and fold style. 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 | 1 box | 5 boxes | 10 boxes | 20 boxes | 50 boxes | 100 boxes |
|---|---|---|---|---|---|---|
| double wall · standard carton | £16.79 | £4.79 | £3.04 | £3.25 | £3.16 | £3.12 |
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.