Description
Inner Made of 304 Stainless Steel + Food Grade Plastic + Food Grade Silicone. Made of high quality food grade 304 stainless steel, it's anti-corrosion and rust prevention. Used the vacuun-seal technology and double-wall construction, vacuum insulation for maximum temperature retention, keeping drinks hot for as long as 24hrs and cold for 6hrs . It's not easy to rust, corrosion and easy to clean. The bottom used concave and convex design, make the vacuum cup steadily.
