【Well Fit】The 30 oz replacement tumbler lid replacement with 3.94in inner dameter and 4.1in outside diameter, fits perfectly and works well with the yeti tumbler of 30 ＆ 32 oz Yeti Rambler,14 oz Mug and 35 oz Straw Mug, Old Style and most other glass or mug designs, compatible with YETI rambler, Ozark Trail tumbler, Old Style tumbler or other mugs and 30oz tumblers.(Tips: This lid is not compatible with rambler bottles or jugs, or travel mugs with the stronghold lid.)

【Safe & High Performance Quality Material 】Our 30oz replacement lid for YETI is made of high-grade quality ABS plastic, BPA free, 100% safe and environmentally eco-friendly, shatter resistant, sturdy & durable. with a food-grade rubber lid ring, the button of the lid is tight for you to use. Dishwasher safe, but avoid use in the microwave.

【With Strong Magnetic Slider Lids】Each spill proof tumbler cover comes with magnetic sliders replacement for YETI. Don't worry about losing the slider and do not worry about spilling fluids when you are driving or traveling. Magnetic slider can switch smoothly, be easy to removed and wash. (The magnetic lid slider prevents spills, but isn’t meant to be leak proof.) The drinking hole allows you snip directly or use a straw, don't need to touch your nose when drinking. And the 30oz yeti lids size make it easier to grab/remove the lid and clean the entire lid, overall, the product's ease of use and worth the cost.

【Splashproof and Reduce Leaks】The replacement lids are sealed and firm to reduce spills and messy accident. The magnetic slider is built-in black silicone O-ring for tightly wraps the lid rim of the cup and fit your cup snugly to reduce leaks. And the thick lid keeps the beverage more insulated, cooler or warmer for most of the day.The container lids are tight and in place stably, so that reduce leaks when drinking and keep your drink at the ideal temperature( warm/cold ) for a long time(Note: please not to keep too hot water.)

【Transparent and Easy to Clean】These Magnetic Tumbler Lids are crystal clear, the transparent lid allows you to see how much of the drink is left without to open the lid cup. So you can decide whether you're in need of refilling a top off. The black magnetic closure removes easily then rinse the lid under running water, so that easy for you to clean the lids .

【2 Packs Package】Our product contains 2 packs magnetic replacement tumbler lids for you to use and substitute. If you have any questions about your order, feel free to contact us, and we'll respond within 24 hours.