About this item

• Crystal Clear Lids: These Magnetic Tumbler Lids are crystal clear, so you can see whether you're in need of a top off.
• 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.
• 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.
• Premium Material: Constructed from top-tier plastic that is free from BPA, environmentally friendly, resistant to breaking, robust, long-lasting, and simple to clean. Safe for the dishwasher, but not suitable for microwave use.