Supply Air 4x4x8 Corrugated Cardboard Shipping Boxes – Brown Kraft Mailer Boxes for Packing, Moving & Storage (Multiple Pack Sizes)

Highlights

• DIMENSIONS: Each box measures 4 inches length, 4 inches width, and 8 inches height when assembled, creating a tall rectangular profile with interior capacity of approximately 3.75 x 3.75 x 7.75 inches for items
• MATERIAL: Constructed from single-wall corrugated cardboard with 32 ECT rating, consisting of fluted corrugated medium between two kraft linerboard layers, manufactured in the United States
• CONSTRUCTION: Regular Slotted Container (RSC) design with four top flaps and four bottom flaps meeting at center, pre-scored fold lines enable assembly without tape or adhesive for box formation
• WEIGHT: Each corrugated box weighs approximately 0.3 pounds in flat knocked-down form, brown kraft exterior with natural fiber color
• ECT RATING: 32 ECT (Edge Crush Test) rating indicates corrugated board withstands 32 pounds per linear inch of stacking compression force before structural deformation occurs

Description

Supply Air 4x4x8 Corrugated Shipping Boxes are constructed from single-wall corrugated cardboard with a 32 ECT rating and manufactured in the United States. Each box measures 4 inches in length, 4 inches in width, and 8 inches in height when assembled. The brown kraft exterior consists of a fluted corrugated medium sandwiched between two kraft linerboard layers. Boxes ship flat and assemble by folding along pre-scored creases. The Regular Slotted Container (RSC) design features four flaps on top and bottom that meet at the center when closed. The tall profile accommodates items measuring up to 3.75 x 3.75 x 7.75 inches interior. Each corrugated box weighs approximately 0.3 pounds when flat. The 32 ECT (Edge Crush Test) rating indicates the corrugated board withstands 32 pounds per linear inch of stacking force before deformation. Boxes are available in multiple pack quantities to suit volume requirements. The natural kraft color eliminates added dyes or bleaching processes. Assembly requires no tape or adhesive for initial box formation. Each unit ships as a single knocked-down blank.