Exp Letter Box EXP30000 10x12x24" Cardboard Economy Document Storage Boxes w/500lb Stacking Weight & Lid - 12-Pack Exp Letter Box EXP30000 24-Inch Cardboard Storage Boxes - 12-Pack General Features: 12-pack Sturdy corrugated construction 500-pound stacking weight Designed for letter sized documents Easy to use handles Easy to assemble Lid included Easy view label section, To, From, Box #, Destroy Date, Contents Unit Dimensions: 10 x 12 x 24-inches (H x W x D, interior)