Self Locking Corrugated Mailer and Storage Solution.The Perfect Economical Solution for Mailing or Storing Documents, Prints, Graphics, Art, Maps, Film, and Other Items. 3"x3"x37" Designed for quick assembly with self locking closure Durable, Attractive White Corrugated Cardboard with Deep Grey Lettering Stackable with Label Area on End for Easy Identification Designed for Easy Retrieval of Documents Light-Weight to Save Mailing Costs Shipped Flat in 25 per Package Lifetime warranty on manufacturers defects. Type: Carriers Color: White Color Mapping: White Item Count: White