[Size Detail] Perfectly match the tumbler cup with a 2.87/2.71 inch diameter inside the cupsuch as 20 oz skinny tumbler. Please check precisely on size before ordering, to ensure a perfect fit with your tumbler. The details of the product size are in the attached picture, piece skinny tumbler lid enough to easily meet your daily use or replacement needs, and you can also share them with your family and friends. [Safe and Reliable] our lid is made of quality plastic, which is not easy to deform or break, lightweight but strong enough to be applied safely in your cup, dishwasher safe. [Spill Proof and Splash Resistant] the travel mug replacement lids are well made with nice sealing capability, which can effectively isolate the contact between air and drinks, so drinks or water will not easily spill or overflow from the cups. [Easy to Use] this replacement lid is designed with a sliding button, easy to slide and can be closed or opened with one hand, practical and easy to carry, which can be applied in many life scenes and is an perfect life assistant. [Save Time And Money] Our replacement mug lid are cost-effective and function just as the original did. Color: parent material: plastic Package Contents: 5 x Skinny Replacement Lids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.