Berry's Mfg 411 Blue Ammo Flip Top Box Holds 50 Rounds - .45/70 Govt SPECIFICATIONS CA PROP 65: YES DESCRIPTION All Berry’s Ammo Boxes are made from high impact polypropylene for increased strength against cracking, chipping, warping, expansion, or contraction. Our Model #411 50 round boxes feature our traditional living hinge design, providing a translucent look and an easy-to-open lid. They are stackable, they carry a lifetime warranty, and they are made in the USA.