430 x 305 x 140mm (A3) mailing boxes
The A3 mailing box (430 x 305 x 140mm) is our large-format box, available as a brown shipping carton and as premium tuck front gift boxes. Use it for large gifts, bundles, hampers, bedding and bulk apparel orders. Choose from premium tuck front gift boxes, brown tuck front boxes and regular shipping cartons in brown, black, rose pink and mint blue, with bulk packs for high-volume senders.
Drawn to scale (length x width) next to nearby sizes. Click a size to compare.
Pick a colour and style. Click a swatch to shop.
Bulk & value packs
| Product | Quantity |
|---|---|
| Wholesale 600pcs 430 x 305 x 140mm Carton A3 Mailing Box B936 Brown | 600 |
Sizes are internal dimensions (length x width x height). Pack quantities are shown on each product page.
430 x 305 x 140mm mailing box FAQs ▾
430 x 305 x 140mm mailing box FAQs
Is 430 x 305 x 140mm the internal size?
Yes. 430 x 305 x 140mm is the internal size (length x width x height), so your item needs to be slightly smaller.
What fits in a 430 x 305 x 140mm box?
Large gifts, bundles, hampers, bedding and bulk apparel orders.
What colours does the 430 x 305 x 140mm box come in?
Brown, black, rose pink and mint blue, across 3 styles.
Can I buy 430 x 305 x 140mm boxes in bulk?
Yes. See the bulk and value packs above, or apply for a trade account for regular large orders.










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