Supply Air 12x9x6 Corrugated Shipping Boxes – Cardboard Mailer Boxes for Packing, Moving & Storage (Multiple Pack Sizes)

Highlights

• Supply Air 12x9x6 corrugated shipping boxes are constructed from single-wall corrugated cardboard with 32 ECT rating. Each box measures 12 inches length × 9 inches width × 6 inches height interior dimensions, providing 648 cubic inches capacity. Natural brown kraft paper exterior with corrugated medium measuring 0.125 inches thick between liner sheets
• MATERIAL CONSTRUCTION: Single-wall corrugated cardboard consisting of kraft paper liner sheets with fluted medium layer between them. 32 ECT (Edge Crush Test) rating indicates the material withstands 32 pounds per linear inch of stacking force before crush failure. Cardboard weighs approximately 0.75 pounds per assembled box
• DIMENSIONS: 12 inches length × 9 inches width × 6 inches height exterior measurement. Interior usable space accommodates items measuring up to 11.5 × 8.5 × 5.5 inches accounting for wall thickness and clearance. Flat dimensions prior to assembly measure approximately 21 × 15 inches
• CLOSURE MECHANISM: Overlapping flap design on top and bottom panels. Four flaps fold inward and overlap at center, requiring tape or adhesive to seal. Flaps measure approximately 4.5 inches each on the 9-inch width sides and 6 inches each on the 12-inch length sides
• PACK QUANTITY: Available in 25-pack, 50-pack, and 100-pack configurations. Boxes ship flat in bundled stacks and require folding along pre-scored lines to assemble into rectangular form. Each bundle compresses to approximately 2-3 inches height depending on pack count

Description

Supply Air 12x9x6 Corrugated Shipping Boxes are constructed from single-wall corrugated cardboard with 32 ECT (Edge Crush Test) rating. Each box measures 12 inches in length, 9 inches in width, and 6 inches in height, providing 648 cubic inches of interior capacity. The boxes are manufactured from kraft paper with a natural brown exterior finish. Boxes arrive flat and require folding along pre-scored lines to assemble into rectangular form. Each unit weighs approximately 0.75 pounds when assembled. The 12x9x6 dimension accommodates items measuring up to 11.5 x 8.5 x 5.5 inches accounting for interior clearance. Bottom flaps overlap to distribute weight across the base. Boxes are stackable when assembled, with flat surfaces on all six sides. Manufactured in the United States. Available in multiple pack quantities to suit different volume requirements.