This sliding, sip - through lid is shatterproof! If you've misplaced your tumbler lid or need an extra one for those busy coffee days, grab a new one. It's available for all core tumbler and coffee mug sizes*. The 12/16/22 oz lid fits both 12 oz and 16 oz tumblers, as well as 16 oz and 22 oz mugs. Manufacturer Number: 2116LID

Using this Corkcicle tumbler lid is easy. Just place it on top of your 12 oz or 16 oz tumbler, or 16 oz or 22 oz mug. Slide open the lid when you want to take a sip. Make sure the lid is properly seated on the container to prevent spills. For cleaning, you can wash it with mild dish soap and warm water. Avoid using abrasive cleaners as they might damage the shatterproof surface. Store it in a dry place when not in use.