GLOW IN THE DARK! These 16 ounce Silipint Silicone Pints are a squeezably unbreakable way to keep your cold drinks cold and your hot drinks hot. Silipints are a reusable alternative to plastic, paper, and styrofoam cups. Made of 100% FDA approved, BPA free silicone, Silipints are dishwasher, microwave, oven, and freezer safe.