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Compatible With: Fit most brands of 30oz tumblers with a mouth diameter of 3.6 inch (92 mm), like YETI rambler, Ozark Trail tumbler, Old Style RTIC tumbler or other mugs.
Splashproof and Heat Insulation: The black silicone O-ring tightly wraps the lid rim of the cup to prevent leaks. And the thick lid keeps the beverage more insulated, cooler or warmer for most of the day.
High Quality Material: Made of high-grade plastic, BPA free, eco-friendly, shatter resistant, sturdy and durable, and easy to clean. Dishwasher safe, but avoid use in the microwave.
Magnetic Slider Lids: Magnetic slider can switch smoothly, can be removed, easy to 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, doesn’t touch your nose when drinking.
Crystal Clear Lids: These Magnetic Tumbler Lids are crystal clear, so you can see whether you're in need of a top off.

Product Description

--Package: 2 Pack

--Color: Clear Lid with Black Slider

--Inner diameter: 3.6 inch (92 mm)

--Outer diameter: 3.9 inch (100 mm)

--Splash Resistant

--Shatter Resistant

--Magnetic Slider Cover

Open and close smoothly, can prevent water splashing.

With this strong magnetic lid, you can take your tumbler to work, workout, camping, vacation and more!

Dishwasher safe to save time, but not microwave safe.