[【High-quality Material】 Magnetic Tumbler Lid is made of quality plastic with high transparency and no BPA or other unhealthy materials Lightweight and durable，It impacted and shatter resistant. 【Wide Compatibility】This magnetic cup lid is designed to fit the YETI 30 oz Tumbler 14 oz Mug and 35 oz Straw Mug. (Please note: This lid is not compatible with rambler bottles or jugs or travel mugs with the stronghold lid.) 【Magnetic Slider】The magnetic slider can be switched on and off smoothly and the drinking hole is convenient for sipping directly or using a straw.magnetic slider can be removed Easy to clean. 【Splash and Heat Insulation】This lid provides protection from spills and retains heatA black silicone o-ring seals the cup and keeps liquids inside. return your drink will stay at an ideal temperature for longer. Enjoy your favorite hot or cold drink! 【Customer Service】Order your very own magnetic tumbler lids from us with complete peace of mind. If you are dissatisfied with your purchase for any reason please contact us and we will provide you with the most satisfactory solution.]