Kitty Cat Silicone Straw Top Cover

10mm Flower Straw Cover for Stanley 30 & 40 oz Tumblers - Silicone Straw Covers, Caps, and Tips for Reusable Straws These straw plugs are made of food-grade silicone without BPA, reusable, elastic, odorless, hand washable, and dishwasher safe. You can use them with confidence!