This Luxor Double-Row Mobile Bin System holds 16 3" tubs, each capable of holding up to 20 lbs. The steel frame and sturdy guardrails with built-in locking system keeps the tough polypropylene bins securely in place during storage or transit, preventing them from unintentionally being removed. The mix-and-match rack system can also accommodate our larger 6" tubs (sold separately). Four rolling casters with two locking brakes make this storage cart easy to move around or secure in place. This versatile and functional storage unit is perfect for schools, garages or industrial facilities. FEATURES: Organize and stack supplies in sixteen 3"-deep tubs Bins hold up to 20 lbs. each Double-row steel frame for long-lasting use Built-in safety feature prevents bins from pulling off the rack Bin handles include ticket inserts for standard labels Flat-top surface provides a work area or additional storage Four casters allow smooth maneuverability; two locking brakes offer stability for stationary use Additional bins are available in packs of 8 small or 4 large tubs DIMENSIONS: Overall: 30.75"W x 20"D x 37.5"H Small Bins: 12.25"W x 16.75"D x 3"H