The Partners Brand M1144 oyster white corrugated mailers is specially designed to ship light-weight fragile items. It features a crush-resistant design that offers added protection with its double walls and comes with wave-rule edge to eliminat e paper cuts. Its rectangle shape ensures that there is more space to store your items. This mailer measures 4"H 11"W 4"D in size. It is shipped and stored flat to save space. Product Type: Corrugated Mailers. Oyster white colored corrugated construction. Dimensions: 4"H 11"W 4"D. Assembles in seconds without tape, glue or staples. The Partners Brand M1144 oyster white corrugated mailers is designed to offer an economical solution that simplifies all your packaging problems.