Packed with features, this 100% silicone travel lid fits on five Silipint drinkware sizes. Using friction created from silicone against silicone, our Travel Lid fits snugly and securely to reduce leaks and spills. Plus, keep out dirt and bugs. when you’re at the beach or at camp. Put your hot coffee in a pint to-go, enjoy spill-proof wine glasses at camp, or a worry-free half pint for your kids anytime.