Feature: *Brand new and high quality. *Made of high-quality materials, durable and practical. *Exquisite and exquisite, highly matched with the original equipment. *High-quality material: Made of high-quality silicone, BPA-free, silicone cover seal leak-proof heat insulation, no smell, can be used for a long time *Good Sealing Effect: These replacement rubber lid seals are designed to create a good sealing effect between the lid and the cup, keep your food clean and fresh, easy to use and prevent leakage. *Easy to replace: just use your fingers to roll off the rubber ring that needs to be replaced, then slide the that can be replaced, easy to install and remove; If you need to replace the lid seal, just replace the lid, you can keep your food fresh. *Sufficient Quantity: You will receive 4 pieces of replacement rubber cover seals, sufficient quantity for your daily needs and replacements, or you can share them with your friends, family and others who need them in your kitchen, as necessary Tool of Specification: Material:Silicone Colour: transparent white Applicable water glass specifications: 16oz & 20oz for Contigo travel mug Package Contents: 4x sealing ring Notes: 1. Due to many factors (such as the brightness of the display and the brightness of the light), the actual color of the item may be slightly different from the picture displayed on the website. 2. Please allow a slight manual measurement deviation of the data.