400mm Square Cardboard Pad | 3mm Recycled Brown | 400L x 400W (mm) | 40pce Pack | The Box Man

The 400mm Square Cardboard Pad (PAD-400-B3) is a pre-cut corrugated pad in 3mm recycled brown for layer separation, product protection, and cushioning during storage and transit. Pre-cut to exact 400 x 400mm dimensions — no measuring, no cutting, no waste. Buy 400mm square cardboard pads online in packs of 40 — Australian made with delivery Australia-wide.

Pre-Cut Cardboard Pads Ready to Use

Grab a pad from the pack and go. Consistent 400 x 400mm sizing across every pad in the pack — clean edges, square corners, uniform thickness. Use as layer separators between products on pallets, rigid inserts inside mailer boxes, backing boards behind prints and documents, or protective cushioning between fragile items.

Choose Your Board Thickness

3mm Recycled Brown corrugated board — 3mm thickness delivers light rigidity. Available across multiple thicknesses from 3mm through 7mm depending on how much rigidity and cushioning your application needs.

At a Glance

• 400 x 400mm pre-cut — consistent sizing, clean edges, no trimming
• 3mm Recycled Brown — 3mm corrugated board
• Pack of 40 — bulk quantity for regular use
• Multi-purpose — layer separator, backing board, mailer insert, product protector
• Australian made — sustainably sourced paper, 100% recyclable
• Volume pricing — buy 4+ packs save 10%, 12+ packs save 15%, 20+ packs save 20%

Prices are GST inclusive.