Copolyester body, removable silicone gasket

Do not use abrasive cleansers or steel wool. When using a dishwasher, please store them in the upper basket to avoid force and weight applied to them. Do not put the product in a freezer as it may cause warp or breakage. Be careful not to pour too much beverage as it may overflow when closing. Close the cap tightly to prevent spills or leakage when carrying. Ensure the silicone rings are attached correctly. Do not leave the beverage inside the product for long time as it may spoil. Do not use the product with citrus fruit juices as it may deteriorate due to terpene contained in the fruit's skin. Do not pour in boiling water as it may cause scalds and warpage. Some products may have roughness on the surface due to the polishing process to remove sharp parts.