The Ammo Vault RMD-20 is made of a tough, impact-resistant material combined with a two-piece locking design for unsurpassed ammo protection. It has a stylish finish with an overmolded soft-touch top and bottom. A push button release keeps the lid on and ammo safe even if dropped. A molded rubber bottom cushions cartridge heads while a foam insert in the lid holds them securely, protecting bullet tips. The overall adjustable height accommodates a wide variety of cartridges. The Ammo Vault holds 20 rifle cartridges with no more rattling, rubber bands, or cracked and broken boxes.