Perfect Fit:Perfect match with tumblers with an inner diameter of 3.7 inches,such as Yeti rambler, Ozark,Boss,Atlin,SUNWILL,Umite Chef,Mossy Oak,ALBOR,Also Compatible with YETI 14 oz mugs and old Rtics, not suitable for newer Rtics and Skinny tumblers
Thoughtful Service: In any case, the focus is on the size of the inner diameter of the cup! The inner diameter of the 30 OZ lid is 3.70 in/9.35 cm,When you are not sure, or have any questions about the product you received , please feel free to contact us by email, we will reply you in 10 minutes during working hours
Safe Material: The new cup lids are made of top food grade SK material, BPA free, ensuring safety and non toxicity. Clear and transparent, making it easy to see beverages and leftovers
Leak Proof Upgrade: Upgraded and improved to a three-layer sealing ring with a thicker and wider silicone seal design, the leak proof performance has been improved by 30%. Don't worry about water leakage anymore! Especially when filling hot drinks or driving
Scientific Design: TThe uniquely designed drinking spout fits perfectly on the lips and the sliding opening is perfect for one-handed operation,Whether driving or working, you can easily enjoy drinking. It can also be used with straws (please note that the hole cover can accommodate straws with a maximum diameter of about 8 millimeters)
