A1 Cardboard Pad | 3mm Kraft Brown | 840 x 594 (mm) | 8pce Pack | The Box Man

The A1 Cardboard Pad (PAD-A1-K3) is a pre-cut corrugated pad in 3mm kraft brown sized to standard A1 paper dimensions. Slides straight into A1 mailers, envelopes, and flat boxes as a rigid backing board — protecting full-size posters, architectural plans, artwork, and large format prints from bending and creasing during transit. Buy A1 cardboard pads online in packs of 8 — Australian made with delivery Australia-wide.

Standard A1 Size, Ready to Use

No measuring, no cutting. Every pad in the pack is pre-cut to exact 840 x 594mm (A1) — consistent sizing with clean edges and square corners. Use as rigid inserts inside A1 mailers, protective layers between stacked items, or backing boards behind prints and photographs.

3mm Kraft Brown Corrugated Board

3mm thickness provides light rigidity — enough to prevent bending in standard mailers and envelopes. Available across multiple thicknesses to match your application.

At a Glance

• 840 x 594mm (A1) pre-cut — exact A1 dimensions, clean edges
• 3mm Kraft Brown — 3mm corrugated board
• Pack of 8 — bulk quantity for regular use
• Multi-purpose — mailer insert, backing board, layer separator, document 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.