20 oz Tumbler Lids Compatibility: Only fits for 20oz cups with a mouth diameter of 3.2-3.23 inches. Such as fit for YETI, SUNWELL, BJPKPK, WETOWETO, CIVAGO, Atlin, Juro Tumbler. Please note that it is not suitable for 20oz skinny tumblers MATERIAL SAFETY: Our 20 oz replacement lids are made of top food-grade AS plastic, BPA-free, non-toxic and non-plastic flavor, can be in direct contact with drinks. THOUGHTFUL DESIGN: The well-made replacement lids are spill and spill resistant, keeping your drink stable. No spills even when driving on a bumpy highway. The black flap folds back so it won't touch your nose when you drink. STRAW FRIENDLY: The center hole in the lid is designed for straws and fits 6-8MM straws. Remove the silicone plug for 10MM straws, suitable for smoothies, milkshakes. The lid supports a variety of drinking styles, whether you prefer to drink through a straw or just sip. EASY TO CLEAN: All parts of the lid are removable, easy to clean drink residue from hard-to-reach crevices, no hidden dirt. Plus, the replacement lid is dishwasher safe on top. Tumbler Lids for Yeti