- Innovative Slide Cover Design: Experience effortless access with our unique slide cover, making it simple to open and close. The small hole at the top allows for direct sipping or straw use, while the slide cover keeps your nose safe from contact when drinking. - Wide Compatibility: This lid is designed to fit any 20-ounce insulated stainless steel cup with an inner diameter of approximately 3.15 inches, regardless of material, ensuring versatility in your beverage containers. - Anti-Spill Feature: The flat bottom lid features a silicone gasket around the edge to minimize splashes when the cup is tipped. An air hole on the slider reduces splashing during filling, particularly with hot drinks or while driving. This air hole also accommodates a straw for added convenience. Please note that this lid is not guaranteed to be leak-proof. - Durable and Safe Material: Constructed from transparent AS plastic, this lid is BPA-free, easy to clean, and dishwasher safe, providing long-lasting use. Use Cases: 1. Ideal for commuters: Prevent spills on your way to work while enjoying your favorite beverage. 2. Perfect for outdoor activities: Keep your drinks secure during hiking or picnics, ensuring an enjoyable experience without mess. 3. Great for daily hydration: Use it at home or the office to stay hydrated without the hassle of drips or spills.