Features: Spill-Proof Design: The reusable tumbler straw cover features a leak-proof sealing mechanism, ensuring no spills even when tipped over. Perfect for car, home, kitchen, or restaurant use, keeping your drinks secure and mess-free. Versatile Compatibility: This straw lid is specially designed for 30oz tumblers, offering a snug fit for popular brands. Ideal for offices, gyms, or on-the-go use, providing convenience wherever you take your drink. Ergonomic Handle: The cup straw lid with handle allows for easy carrying and one-handed sipping, making it a practical choice for busy lifestyles. Durable and reusable, it's perfect for daily hydration needs. Multi-Scene Use: Suitable for 30oz tumblers, this spill-proof tumbler cover with handle is great for cars, homes, kitchens, and restaurants. Its universal design ensures hassle-free use in various settings. Secure & Reusable: The leak-proof sealing bottle cover ensures your drinks stay fresh and spill-free. Made for 30oz tumblers, it's a must-have for gym, office, or travel, combining functionality with eco-friendly reuse. Specifications: Material: ABS Diameter: 9cm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1*Tumbler Lid