Water Cups Double Layer Stainless Steel Portable Flip Cover Insulation Cup Creative American Straw Cup Long Lasting Paint Double Drinking Cup Cover

Material Science: 1. Internal 304 stainless steel 2. External 201 stainless steel Size: 20 * 8 * 8cm Capacity: 500ML Package included: 1 bottle 1 * pipette explain: 1. The liner shall be cleaned before the first use. 2. First clean the inner tank with a small amount of hot water or ice water (do not use steel wire balls) then pour it out and it with boiling water or ice water to ensure better insulation effect. 3. Please clean and keep dry after each use. 4. It is not recommended to store carbonated drinks in the cup for a long time to prolong the service life of the insulated cup. 5. Do not get close to the heat source or hit it violently. 6. Keep out of the reach of children to avoid scalding.