The lowest delivered price we found for 12.5×9×1 inch (320×230×20mm) cardboard boxes is 20.3p per box: 1000 boxes for £202.80 delivered (single wall · postal / die-cut). We have 18 checked prices for this size from 6 sellers on eBay UK; delivered prices run from 20.3p to £2.91 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 22.5p per box (200 boxes for £44.99 delivered). Prices were pulled 16 October 2026 and are a snapshot, not live.
View the cheapest on eBay →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 | 25 boxes | 50 boxes | 100 boxes | 200 boxes | 500 boxes | 1000 boxes |
|---|---|---|---|---|---|---|---|---|---|---|
| single wall · postal / die-cut | £1.99 | 97.8p | 56.5p | 49.9p | 41.4p | 30.5p | 23.9p | 24.2p | 20.5p | 20.3p |
| wall not stated · postal / die-cut | £2.91 | 89.8p | 52.9p | 40.0p | – | 28.6p | 23.5p | 22.5p | 22.0p | – |
Each price is the delivered cost (item + delivery) divided by what you get, checked against its own listing. How we check.
Compare every size and pack quantity →
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.
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.