Material:
Bottle: adopts high quality dual-layer stainless steel;
Cover: PP resin (max. 120'C heat-resistance temperature, min. -10'C cold-resistance temperature);
Sealing ring: silicone (max. 120'C heat-resistance, min. -10'C cold-resistance)
Heat preservation time:
When indoor temperature at 25'C, filled with 98'C water, kept in covered state, it can preserve heat for 6 hours with water of 70'C or above, 12 hours with water of 55'C or above.
Adopts unique koala vacuum technology and high-tech leak detection equipment to ensure the bottle with excellent heat preservation effect.