Prurex 20 oz Tumbler Replacement Lid - A Blend of Functionality and Quality I. Precise Compatibility with Multiple Cup Sizes Our 20 oz tumbler replacement lid is designed to fit a range of popular cup sizes. With an inner diameter of 3.2 inches, it fits perfectly with YETI 20 oz tumblers, 10 oz lowball cups, 10 oz mugs, and Rambler 25 oz straw mugs. It's also compatible with tumblers from brands like Ozark Trail, Old Style RTIC, Atlin, Juro, SUNWELL, Umite Chef, WETOWETO, SassCups, Society6, and Polar Camel. II. Premium SK Material for Superior Quality Crafted from high-quality SK material, this lid offers exceptional durability. SK material is known for high strength and impact resistance, withstanding daily bumps and jolts without deforming or cracking. It also boasts strong heat resistance, maintaining stability even with hot beverages and resisting performance changes from temperature shifts. III. Effortless Disassembly for Hassle-Free Cleaning Cleaning is simple: rotate the back slider 90° to disengage it quickly, and the sealing ring removes just as easily. This user-friendly design avoids complex parts and hard-to-clean crevices, leaving no hiding spots for stubborn stains. Coffee, tea, or other marks wash away easily, keeping the lid spotless, hygienic, and safe for daily use. IV. Straw-Friendly Design for Personal Expression Catering to diverse drinking preferences, the lid works with 6-8mm (0.23-0.3 inch) straws, letting you choose between sipping with a straw or directly. It also features a small hole for hanging personalized trinkets—like keychains or pendants—adding unique charm and letting you showcase your style, making your tumbler stand out. V. Quick Response and Attentive Service Customer satisfaction is our top priority. If you have pre-purchase questions or post-receipt issues, contact us anytime. During our working hours,we guarantee a response within 10 minutes.