MTM Ammo Can - 30 Caliber - This O-Ring sealed ammo can from MTM is molded from rugged polypropylene plastic with a reinforced bottom. This makes the container a tough, durable choice to transport and store a multitude of different items. As versatile as it is sturdy, this ammo can may be used for bulk ammo, decoy weights or even as corrosion-free waterproof storage in a damp basement. It offers a heavy-duty latch with padlock tabs and molded stacking ridges for slip resistant stacking. Water-resistant O-Ring Seal Double Padlock Tabbed Molded-In Stacking Ridges Heavy-Duty, Latching Systems Inside: 3.4in X 8.9in X 6.1in Outside: 5in X 11.3in X 7.2in