To customers: life is full of surprises. Package Includes: 1 x Cup Straw Cover Item Name: Cup Straw Cover Material: Plastic Features: Straw Opening, Spill Proof, Splash Resistant Size Details: Top Diameter: 9.9cm Bottom Diameter: 9.5cm Specifications: For ease of use and easy cleaning, this removable cup straw cover is dishwasher safe, simple to install and replace. This cup straw cover has a straw opening designed to prevent spills, leaks and overflows and holds the reusable straw in place. This cup straw cover is constructed of plastic material. The top diameter is 9.9cm and the bottom diameter is 9.5cm. This cup straw cover is compatible for 40 oz Quencher, and any other 40 oz vacuum insulated stainless steel tumblers cup lid. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. We strive for excellence. And hope you have a nice day!