• 316 Stainless Medical Grade Steel----Insulated Water Bottle greatly outperforms 18/8 food grade stainless steel in anti-oxidation and corrosion resistance, it will never leave a metal taste or rust. Avoid the taste of the liquids to change (like tea, coffee and juice).
• Anti-scald design----Touching the lid of the cup lightly to display the current water temperature.
• Long Time for Holding Temperature ----Featured dual walls, premium coated copper on the exterior of the inner wall. High performance temperature retention, keep liquid hot up to 24 hrs and cold up to 24 hrs.
• 100% Leak Proof & Easy to Clean----The BPA-free silicone rubber on each lid ensures no leak, no plastic smell. A cup brush for easy washing. Insulated Water Bottle is perfectly suitable for daily use, running, hiking, camping, etc.