316 Stainless Medical Grade Steel----Insulated Water Bottle. Perfect For Tea Or Coffee On The Go. | | Gently Swipe The Lid To Display The Current Water Temperature. | | Featured Dual Walls, Premium Coated Copper On The Exterior Of The Inner Wall. High Performance Temperature Retention, Keep Liquid Hot Up To 12 Hrs And Cold Up To 24 Hrs. | | 100% Leak Proof Easy To Clean----The Bpa-Fre 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. | |