Insulated bottle for practical drinking enjoyment - sturdy and safe for on-the-go. Insulated bottle with Safe Loc closure: simply open, pour into the cup, and close again. Perfect insulation performance thanks to the double-walled stainless steel body - keeps your drinks cold for 24 hours or hot for 12 hours. Absolutely safe and robust: 100% leak-proof - insulated bottle made of high-quality brushed stainless steel. Use the lid as a cup.