Polyester Blend Organize and stack supplies in eight 6"-deep tubsBins hold up to 20 lbs. eachDouble-row steel frame for long-lasting useBuilt-in safety feature prevents bins from pulling off the rackBin handles include ticket inserts for standard labelsFlat-top surface provides a work area or additional storageFour casters allow smooth maneuverability; two locking brakes offer stability for stationary useAdditional bins are available in packs of 8 small or 4 large tubsDIMENSIONS:Overall: 30.75"W x 20"D x 37.5"HLarge Bins: 12.25"W x 16.75"D x 6"