Big Waterproof Plastic Outdoor Storage Chest Garden Patio Marine Dock Truck Box! Lockable & Padlockable, Reinforced Strength! The Dock Box - The best value quality robust wateproof storage box around! Also available in a range of colours without in-built lock (See Related Items). EPDM Rubber Seal under lid protects against water unless submerged + dirt & dust ingress. Moulded from UV resistant polypropylene - Ideal for outside storage of valuable items or equipment. Honeycomb reinforced base and hinged lid for extra strength. Fitted Lock supplied with 2 keys. Padlockable ...