Tops are permanently attached with steel hinges that interlock securely for stacking strength. Stack for maximized storage and nest when empty. Textured, non-slip bottom ensures smooth conveying. Ergonomically designed handles allow for easy lifting. Recessed lids ensure maximum load stability. Padlock eye provides security option allowing lids to be fastened and/or locked. Molded from high density, FDA approved polyethylene. Lids close securely to protect parts from dust or damage. Distribution container has an optional 3" x 5" adhesive clear label holder (See Related Items) which attaches securely for easy part identification. FOB Shipping Point. See Related Items tab for Clear Label Holder and Dolly for Heavy Duty Containers.