Stylish Accessory: Adorable white chick straw cover adds a fun, whimsical touch to your Stanley cup. Serviceable Construction: Made from high-quality straw material with a silicone base for a secure, leak-proof fit. Easy to Use: Simply slide the straw cover onto your 40 or 30 oz Stanley cup for instant charm. Versatile Compatibility: Designed to fit Stanley cup accessories, these straw caps work with most tumblers and reusable straws. Convenient Function: Acts as a stopper to prevent spills and keep drinks fresh when not in use. 1