【High-Quality Material 】: 3.9inch/10cm Our replacement lids for tumblers are made top AS and PP which can use dishwasher, free of BPA, lightweight but strong enough to be safely applied in your mug, dishwasher safe. Stanley Lid Replacement 40 Oz, 2 Pack Replacement Spill Proof Splash Resistant Tumbler Lids, Reusable Tumbler Cover for Stanley Cup Accessories