Supply Air 8x4x2 Corrugated Cardboard Shipping Boxes – Brown Kraft Mailer Boxes for Packing, Moving & Storage (Multiple Pack Sizes)

Highlights

• Supply Air 8x4x2 Corrugated Shipping Boxes are constructed from single-wall corrugated cardboard with 32 ECT (Edge Crush Test) rating and brown kraft paper linerboards. Each box measures 8 inches long, 4 inches wide, and 2 inches high (interior usable dimensions). The corrugated structure consists of a fluted medium layer bonded between two flat linerboard sheets.
• DIMENSIONS: Interior measures 8 x 4 x 2 inches; accommodates items up to 7.75 x 3.75 x 1.75 inches allowing 0.25-inch clearance per side; exterior measures approximately 8.5 x 4.5 x 2.25 inches when assembled
• MATERIAL: Single-wall corrugated cardboard with B-flute or C-flute corrugation (flute size 3/16 inch nominal); 26-pound basis weight brown kraft linerboards on exterior and interior faces; 32 ECT edge crush strength rating
• CONSTRUCTION: RSC (Regular Slotted Container) design with four top flaps and four bottom flaps that meet at center; ships flat (knocked down) and folds into rectangular box shape; flaps interlock for tape sealing (tape sold separately)
• WEIGHT: Each individual box weighs approximately 0.15 pounds when flat; weight capacity supports items up to 20 pounds per box when properly sealed and handled

Description

Supply Air 8x4x2 Corrugated Shipping Boxes are constructed from single-wall corrugated cardboard with a 32 ECT (Edge Crush Test) rating. Each box measures 8 inches in length, 4 inches in width, and 2 inches in height (interior dimensions). The boxes are manufactured from brown kraft paper with a corrugated flute layer between two linerboards. The material composition provides structural rigidity and stacking strength during transport and storage. Each box ships flat (knocked down) and folds into a rectangular shape following standard RSC (Regular Slotted Container) construction. The closure method consists of four flaps that meet at the center of the top and bottom openings. The flaps interlock and are sealed with packing tape (tape not included). The 8x4x2 inch interior accommodates items measuring up to 7.75 x 3.75 x 1.75 inches, accounting for clearance. The boxes are available in multiple pack quantities: 25-pack, 50-pack, 100-pack, and 200-pack options. Each individual box weighs approximately 0.15 pounds. The corrugated cardboard construction consists of a B-flute or C-flute corrugation pattern (flute size varies by production run). The brown kraft exterior measures approximately 26-pound basis weight linerboard. Manufactured in the United States. The boxes function as shipping containers for e-commerce fulfillment, retail product packaging, household moving, and warehouse storage organization. The 8x4x2 dimensions accommodate flat items such as books, apparel, electronics accessories, cosmetics, small tools, and documents.