Integrating stainless steel vacuum insulation
Food Grade 304 Stainless Steel with CU coat;  BPA-free and liner free
Heat potency  100℃ water  (6 hours / 12 hours): 62 ℃ or more / 52℃ or more 
Cold potency  0℃ water  (6 hours / 12 hours): 5 ℃ or more / 10℃ or Less 
Size: 350ML   19.8cm X 6.5cm 
Weight：250g