Name: Anti-Wrinkle Straw Topper Compatible with Stanley Tumbler Material: silicone color: White Size: 4.5*6.5*1.1cm/ 1.8 * 2.6 * 0.4 inch List: 3/5pcs* Straw Topper Enhanced Drinking Experience: Featuring a unique 40° tilted opening, this anti-lip wrinkle straw stopper offers a more relaxed way to drink water. By simply pressing your lips against the opening, you can sip without the need to strain your facial muscles, making it ideal for post-lip filling recovery or daily use. Innovative Anti-Wrinkle Design: The Anti-Wrinkle Straw Topper is a cutting-edge solution to combat facial wrinkles caused by repetitive straw usage. Designed to fit the Tumbler, this silicone topper helps prevent lip lines, facial, and chin wrinkles that may result from constant muscle movements during drinking. Versatile Compatibility: This flexible straw topper is compatible with Stanley straws and other 10mm diameter glass, silicone, or plastic straws. You can easily switch it between different straws to suit various cups, providing convenience and adaptability for your drinking preferences. Convenient Straw Cover: After use, the straw topper can be removed and the straw head transferred to cover the straw, preventing dust and ensuring cleanliness. This feature makes it a practical and hygienic gift for moms, daughters, lovers, and girlfriends who value both functionality and aesthetics. Premium Food-Grade Silicone: Crafted from 100% food-grade silicone, this anti-wrinkle straw stopper is soft, BPA-free, eco-friendly, and reusable. Its easy-to-clean nature allows for hassle-free maintenance, as it can be hand-washed or dishwasher-washed, providing a safe and sustainable drinking accessory for various settings, including home, car travel, or parties. Stay ahead of the curve with this fashionable and functional anti-wrinkle solution.