Umbrella Design The design of this Straw Topper is inspired by the popular anti-wrinkle straw in the market, and is specifically designed to target fine lines and wrinkles on the lips and around the mouth. The special umbrella-shaped straw/straw cap (two useful features) looks more delicate than the others and the large mask touches the lips for more wrinkle-proof effect.<br> Suitable for Stanley Cup 30 40oz Whether you drink water, juice, smoothies or tea, our lip Pucker straw cover is for you. Made from food-grade silicone, this anti-wrinkle straw cap is designed to prevent fine lines and wrinkles around the lip, and is practical and creative.<br> Protect Your Lips Make drinking water stress-free with our wrinkle-free straw lid. Simply place your mouth on the lip straw cover at the top of the cup and inhale gently. Protect your lips with these soft silicone straw caps to prevent wrinkles. Compared with other models, our umbrella straw cover contains a lid, which can be closed when you do not drink water.<br> 100% Safe Food Grade Silicone Anti Wrinkle Straw Topper, Reuse the straw cover cap to plug the lip of the straw to prevent dust. Reusable and environmentally friendly disposable straw cap alternative. 100% food grade silicone raw materials, there are raw materials FDA and LFGB certification.<br> Package Content Stanley Cup Anti Wrinkle Straw Covers*2, reduce mouth tension and repetitive movement, avoid fine lines. This is the perfect gift for your wife, girlfriend and mother. It needs to be used with an 8-10mm straw.