Mtm's 45 caliber ammo can is molded out of rugged polypropylene plastic, and this comfortably handled ammo can will hold up to some pretty harsh treatment.It is lighter in weight than a military surplus can.The 45 caliber ammo can is designed to hold a 500 round case of 45 acp or 4 boxes of 3 12 gauge shot shells and shooting glasses.Utilizing mtm's tongue and groove o-ring seal system for a water-resistant seal.A heavy-duty dual latching system makes for a better seal and less likely to open accidentally.Padlock tabs along with molded-in stacking ridges, make these solid containers the perfect solution to so many storage needs.Model: Ammo CanMaterial: PolypropyleneCapacity: 20 lbsProofs: Water ResistantHardware: Heavy Duty Latch