The silicone lid fits overtop of the cup and snugly and securely grips the outer surface of your cup to help reduce leaks and spills. Straw hole plug included on every lid.
Safe for the microwave, dishwasher, freezer & more. They can hold hot & cold beverages. Avoid spills with the insane no-slip base. It will not break, crack, chip, dent, fade or scratch.