CLEAR VIEW PREMIUM HULK STACKING BINS Mobile Hulk Bin Clear premium hulk stacking bins organized and store your large, bulky items with ease. Made using strong injection molded tri-clear polypropylene that is FDA approved. 24W bins store large items and fit extra deep shelving units. Reinforced walls add strength and rigidity and wide top ledge permits stable, higher stacking for stackable storage. Plastic stacking bins are waterproof, corrosion resistant, withstand cold temperatures and autoclaves up to 250F. Front, back and side grips allow easy handling. Anti-slide stop prevents shifting when stacked. Mobile Bins include casters for easy mobility when loaded.