Outer ring of replacement lid is crafted with soft silicone, which makes it withstand daily bumps or drops, ensuring long lasting use This tumbler flip straw lid replacement is crafted with food grade Silicone, which makes it odorless, reusable and hot and cold resistance This spill proof lid helps keep your belongings safe from unwanted wetness no matter tumblers lying horizontally in a bag or being jostled druing portation Detachable and Easy to Clean: The spill proof lid is detachable, smooth surfaces and detachable parts make cleaning a breeze. Meterials used in our replacement lid are to stains and odors, so after use with coffee, tea or any beverage, it can be easily rinsed under running water or washed in a dishwasher, ensuring a hygienic drinking experience every time you use Specification:30oz/20oz Colour:Black Material:Plastic+Silicone Package Contents: 1 * Replacement Lid Only the above package content, other products are not included. Note: Light reflection 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.