[Size Detail] Perfectly fits cups with a 2.87/2.71 inch inner diameter, such as 20 oz skinny tumblers. Please check the size carefully before ordering to ensure a perfect fit. Product dimensions are shown in the attached picture. Each skinny lid is designed for easy daily use or replacement, and can be shared with family and friends.[Safe and Reliable] Our lid is made of high-quality plastic, resistant to deformation and breakage, durable enough for safe use with your cup. Dishwasher safe for convenient cleaning.[Spill Proof and Splash Resistant] These travel mug replacement lids feature excellent sealing performance, effectively preventing spills and splashes. They help maintain drink freshness by minimizing air exposure.[Easy to Use] Designed with a sliding button mechanism, this replacement lid can be opened or closed with one hand. Practical, user-friendly, and portable for various everyday situations.[Save Time And Money] Our replacement mug lids offer great value, providing the same functionality as original lids at a lower cost.Color: Transparent Material: Plastic Package Contents: 5 x Skinny Replacement Lids Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.