Stainless Steel Thread Insulation Cup Creative Alien Rotation Cup 1. 304 stainless steel liner, no dirt, corrosion resistance, acid and alkali resistance, easy to clean 2. Shell material: 201 stainless steel 3. Wide mouth design, easy to clean 4. Function: portable, vacuum, heat preservation 5. Round mouth, smooth touch without burrs 6. Capacity: 500ml 7. Thermal insulation performance: 0-6 hours 8. Liner material: 304 stainless steel 9. Size: 22x6.5cm Instructions: 1. Before the first use, the liner should be washed clean 2. First wash the inner tank with a small amount of hot water or ice water (do not use steel wool for cleaning), then pour it out, and then refill it with boiling water or ice water to ensure a better heat preservation effect 3. After each use, please wash and keep dry 4. It is not advisable to store carbonated drinks in the cup for a long time to prolong the service life of the thermos cup 5. Keep away from heat sources and violent impact 6. Keep out of reach of children to avoid burns