Features: Silicone tumbler will not break, crack, chip, dent, fade, or scratch Designed with 100% food-grade silicone that is free of harsh chemicals Unbreakable and flexible design is built for long-lasting durability Flip lid is designed to completely seal when closed Lid and stopper straw conveniently fits 16 oz., 22 oz., and 32 oz. Straw Tumblers No-slip base helps prevent spills Eco-friendly construction is nontoxic Microwave friendly and is ideal for both hot and cold drinks Easy-to-clean and is dishwasher and freezer safe Fits in most cupholders Capacity: 32 oz.