Check the listing for details. White Corrugated Mailers MANY SIZES 50 100 200 Shipping Boxes. Color: White, Condition: New. Listed at 24.52 USD. White Corrugated Mailers - Fold Together Box Mailers Length x width x height of inside of box in inches One Piece, Fold Together Assembly 32 ECT oyster white corrugated B flute cardboard Mailers are shipped wrapped in plastic Mailers are shipped flat, not assembled These Mailers fold together in seconds with no glue, tape, or staples required. Perfect for shipping small, lightweight, fragile items. Simply fold and pop the sides into place and have yourself a shipping box. Their all white features allow for an aesthetic appeal while the lightweight corrugation will add to the shipping savings. Great secure box. Extremely strong, easy to fold into place. No instruction required. They look a lot better then envelopes and provide a great deal more protection to your items. Crush resistant mailers fold to provide double walls of protection on front and sides. Boxes can have a manufacture size variance +/- 1/4” on each side. When assembled, these boxes measure Length x Width x Height of INSIDE. The Length is the horizontal distance on the longest side. Width is the horizontal distance on the shortest side. Height is the vertical distance from top to bottom when assembled. These boxes have an ECT rating. For example, 32 ECT can withstand 32 pounds of pressure per inch width stacked on the edge of the corrugated board.White Corrugated Mailers - Fold Together Box Mailers Length x width x height of inside of box in inches One Piece, Fold Together Assembly 32 ECT oyster white corrugated B flute cardboard Mailers are shipped wrapped in plastic Mailers are shipped flat, not assembled These Mailers fold together in seconds with no glue, tape, or staples required. Perfect for shipping small, lightweight, fragile items. Simply fold and pop the sides into place and have yourself a shipping box. Their all white features allow for an aesthetic appeal while the lightweight corrugation will add to the shipping savings. Great secure box. Extremely strong, easy to fold into place. No instruction required. They look a lot better then envelopes and provide a great deal more protection to your items. Crush resistant mailers fold to provide double walls of protection on front and sides. Boxes can have a manufacture size variance +/- 1/4” on each side. When assembled, these boxes measure Length x Width x Height of INSIDE. The Length is the horizontal distance on the longest side. Width is the horizontal distance on the shortest side. Height is the vertical distance from top to bottom when assembled. These boxes have an ECT rating. For example, 32 ECT can withstand 32 pounds of pressure per inch width stacked on the edge of the corrugated board.