Help Space Aliens and Silipint save the planet one sip at a time with our unique silicone cups! These cups can easily squeeze into a pocket and just as easily pop back into shape for your next refreshment! Flexible, durable food-grade silicone withstands temperatures from -72 to a blistering 650 F. It also insulates, keeping the cold or heat where it belongs and not on the outside of the cup. FDA approved, BPA free food grade silicone won't ever break, crack, chip, fade or scratch. And don't hesitate to run it through the dishwasher or leave it in the freezer. It's all in a day's work for this OUT OF THIS WORLD pint-sized wonder. Holds 16 oz. to satisfy a GALACTIC thirst!