【Package includes】5 PCS tumbler Replacement Lids, Inside diameter 3.62 to 3.66 inches, for 30 oz Tumbler ,14 oz Coffee Mug and 26/32/35/42 oz Tumbler (please measure the diameter of the mouth of the glass before purchase to ensure that it is suitable) 【Quality materials】 The tumbler Lids are made of food-grade clear ABS, high transparency, no BPA or other unhealthy materials, environmentally friendly, non-toxic, durable and safe to use in your water glasses and dishwasher 【Splash resistance】The replaceable lid seals firmly, and the built-in black silicone O-ring tightly wraps the lid edge to fit your cup, and don't worry about spilling liquid when you're driving or traveling 【Constant temperature property】The thick lid can make the drink more insulated, cooler or warmer for most of the day. The cap is firm and holds the ideal temperature (warm/cold) for a long time 【Convenient life】These clear lids allow you to see how much drink is left without removing the lid, so you can decide if you need to top it up