Infinium Torque, premium plastic drinkware, is one hard working product that can go anywhere your guests do. It features a modern twisted shape for an upscale look, while easily stacking to minimize its storage footprint. Modern twisted shape for an upscale look, while easily stacking to minimize storage footprint. And like all Infinium products, it is made of 100 percent BPA free. Tritan copolyester, which is highly resistant to damage while providing glass like clarity. Tough enough for outdoor use, and attractive enough for indoor services at the bar or table. Stackable. Multi use, indoors and out. Glass like clarity.