Come and see our amazing products. 12oz Vacuum insulation with additional copper insulation layer Keeps your drinks Cold for up to 24 hours, Hot for up to 12 without leaking. Bottles are constructed from food grade stainless steel, BPA-free, toxin-free, and ensure pure taste and no flavor transfer or metallic taste. Compared to other stainless steel drinking bottles, the lower cap is also made of food-safe stainless steel.Convenient and easy to grip. A clean looking water bottle that is good for sport, work, workout etc. and also idea for children. Pls confirm further with us if any query about packing info, inventory status and time schedule.