Berry's Mfg 412 Clear Ammo Flip Top Box Holds 50 Rounds - .300 Ultra SPECIFICATIONS BRAND: BERRY'S MFG CA PROP 65: YES COLOR: BLACK MATERIAL: PLASTIC PACK/BAG/CASE TYPE: AMMO STORAGE DESCRIPTION All Berry’s Ammo Boxes are made from high impact polypropylene for increased strength against cracking, chipping, warping, expansion, or contraction. Our Model #412 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.