Our tumbler lid inner diameter is 325 inch, it for 20oz tumber. Please pay attention to the size before buying.Made of transparent plastic and do not contain BPA. Environmentally friendly, durable and non-toxic & dishwasher safe.Our lid can be opened and closed, and the hole lid allows direct sipping or use of straws.The sliding hole cover helps to prevent overflow and keep the beverage for a longer heat preservation time.Transparent lid that you can always checkwhether the top seal is required.Material:plasticcolour:transparentPackage Contents:2 * LidOnly the above package content, other products are not included.Note: Light 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.