Item Function: 1. This straw cap is made of quality silicone, durable, reusable, and easy to clean by hand or in the dishwasher. 2. It is airtight and sealed, dustproof and splashproof, making it suitable for outdoor activities. 3. Great for outdoor and sports, office, home and travel. 4. Silicone straw cap, softer and more resilient, compared to other harder silicone straw covers, gives extra protection to your cup and other suitable many water bottles. Great choice of silicone straw cap for decoration and protection, easy to use, easy to clean, sturdy and last long. Specifications: Product Name: Drinkware Accessory, Color: Beige, Material: Silicone, Straw Cap Size: 1cm / 0.39"(D), Square Plug Length: 2.5cm / 0.98", Round Plug Size: 2.2cm / 0.87"(D), Package List: 3 Pcs Drinkware Accessory.