A3 Cardboard Pad | 3mm Kraft Brown | 420 x 297 (mm) | 50pce Pack | The Box Man

The A3 Cardboard Pad (PAD-A3-K3) is a pre-cut corrugated pad sized to standard A3 paper dimensions. Whether you’re inserting rigid backing into mailer envelopes, separating prints and documents, or protecting flat items during transit, these pads deliver exact A3 sizing in 3mm Kraft Brown corrugated board.

STANDARD PAPER SIZE, READY TO USE

No cutting, no measuring. The A3 Cardboard Pad (PAD-A3-K3) arrives in packs of 50, pre-cut to exact 420 x 297mm in 3mm Kraft Brown. Slides straight into A3 mailers, envelopes, and flat boxes.

STRONG, SUSTAINABLE, AND VERSATILE

Made from 3mm Kraft Brown corrugated cardboard, manufactured in Australia using sustainably sourced paper. Available across multiple board thicknesses to match the level of rigidity your application needs.

BENEFITS AT A GLANCE

• 420 x 297mm pre-cut — exact A3 dimensions, clean edges
• 3mm Kraft Brown — choose the thickness that suits your protection needs
• Pack of 50 — bulk quantity for regular use
• Multi-purpose — mailer insert, document protector, print backing, layer separator
• Australian made — sustainably sourced paper, locally manufactured
• Volume pricing — buy 4+ packs save 10%, 12+ packs save 15%, 20+ packs save 20%

Prices are GST inclusive.