Durable, tubular steel mesh provides practical organization. Convenient letter-size cube keeps files easily accessible and organized. Four casters (two locking) for mobility. Fits under most worksurfaces to save valuable floor space. Collapsible cube makes assembly a snap. Powder coat finish for durability. Color: Black; Color Family: Black; Caster/Glide/Wheel: Four 1 5/8" Casters (2 Locking); Material(s): Steel Mesh.