Chrome plated, steel wire shelf unit.Blue high impact polypropylene (PP) bins.Bins tilt and are retained when withdrawn - allowing easier access, and avoiding spills.4 x 76.2 mm dia. swivel castors, 2 braked.Extra large bins: 178 H x 407 W x 356 D mm.Large bins: 178 H x 267 W x 356 D mm.Medium bins: 140 H x 140 W x 356 D mm.Self-assembly required.