These economical high density bin storage systems include heavy duty giant stack bins with open hopper fronts for easy access. Optional clear windows maximize capacity, prevent spillage and convert the bin into a true tote. Optional dividers keep contents organized, also available. Heavy-duty, high grade shelving with 400-lb. capacity per shelf. U.S.A. Shelving Type: Metal Shelving, Dimensions D x W x H (in.): 18 x 36 x 75, Shelves (qty.): 6, Bins Included (qty.): 15 (# 278528), Bin Type Included: Ultra Stack and Hang Bins, Bin Color: Yellow, Material Type: FDA Approved, Heavy Duty, Virgin, High Density Polypropylene, Bin Dimensions L x W x H (in.): 18 x 11 x 10, Weight Capacity (lbs.): 400 per Shelf, Bin Divider Item Number (s): 2785280, Bin Window Item Number (s): 2785281