Designed to be versatile, these silicone stoppers are compatible with a wide range of cups and bottles. Whether you're using a tumbler, a reusable coffee cup, or a water bottle, these stoppers will fit . They are especially useful for outdoor activities, ensuring that your drinks remain uncontaminated and safe to consume. Features -Color:Transparent -Material:Silicone -Size:2.00X1.50X1.50cm/0.79X0.59X0.59in -Leakproof seal: provides a secure seal to prevent any accidental spills or leaks, ensuring your drink stays fresh and safe -Universal fit: designed to fit a wide range of cups and bottles with straw holes, offering versatility and practicality -Charming heart design: the cute heart shape design enhances the aesthetic appeal of your cups, making them more enjoyable to use -Clean and tidy: prevents liquids from spilling out, ensuring your drink remains clean and the cup's interior stays tidy -Maintains pressure: this silicone stopper fits the vent hole of straw lids, preventing leaks and maintaining the internal pressure balance of the cup Package list: 10 x Straw Covers