10- 8"x4"x3" White Corrugated Carton Cardboard Packaging Shipping Mailing Box Boxes Recommended for tools, small parts, nuts and bolts, glassware and other small items. Triple wall sides and double wall front. Corrugated Mailers are durable, yet light weight enough to save on postage. Great for shipping small light weight fragile items. Perfect size for sunglasses. These one piece mailers fold together and assemble in seconds. No tape, glue or staples needed They store flat to save space. 857-295-025