... " side6) Collapsible7) Stacked 4 high8) Capacity: 4,000lbs9) Galvanized finish for rust-free life10) Weight: 85kg11) Visible inventory levels12) Drop gates ... include casters, security lids, shelves, dividers, and card holderswith wheels Storage Cage/Warehouse Cage/Wire Mesh Container Storage cage welded wire cage metal wire 5 layers Storage foldaway cage