The NEW Cute White Silicone Mini Tumbler Straw Topper Cover Cap is designed to fit on the top of a Stanley Cup tumbler to provide a stylish and practical solution for keeping your drink insulated. Made from durable silicone, this mini topper cover cap in white adds a fun and cute touch to your beverage while also helping to prevent spills and drips. Perfect for on-the-go use, this product is a must-have for anyone looking to customise their drinkware.