Stainless Steel Thermos Bottle Portable Vacuum Flask Insulated Water Bottle Bpa Free Food Thermos Travel Coffee Mug 320/420ml

304 Medical Grade Stainless Steel ---- Insulated Water Bottle greatly exceeds 18/8 food grade stainless steel in oxidation and corrosion resistance, will never leave a metallic taste or rust. Prevent the taste of liquids from changing (such as tea, coffee and juice).

Anti-scalding design ---- Lightly touch the cup lid to show the current water temperature.

Long Temperature Retention Time ---- Featuring double walls, premium coated copper on the outside of the inner wall. High performance temperature retention, keep liquid hot for up to 12 hours and cold for up to 24 hours.

100 percent Leak Proof & Easy to Clean ---- BPA-free silicone rubber on each lid ensures no leaks, no plastic smell. Cup brush for easy washing. Insulated Water Bottle is Perfectly Suitable for daily use, running, hiking, camping, etc.