- Splash-Proof Lid: This leak-proof lid features advanced double-sealing technology to prevent spills, making it ideal for transporting hot beverages or while driving. Its airtight design helps maintain your drink's temperature, keeping it warm or cold for longer. - Size Compatibility: This replacement lid measures 3.2 x 0.7 inches and is specifically designed to fit 20oz Skinny Stainless Steel Tumblers. Please ensure compatibility with your tumbler as it is not suitable for other sizes. - User-Friendly Design: The lid is easy to open and close, with a smooth sliding mechanism. Its lightweight design makes it convenient for carrying, while the opening accommodates direct sipping or the use of straws. - Safe and Durable Material: Crafted from BPA-free materials, the replacement lid and slider are environmentally friendly, durable, and non-toxic. They are also dishwasher safe for effortless cleaning. - Practical Applications: Perfect for outdoor activities such as picnics, camping, or road trips, this lid ensures your favorite beverages stay secure and at the right temperature. It's also an excellent choice for daily commutes or workouts, providing convenience and reliability on the go.