Double-walled water bottle made of food-grade stainless steel. Sturdy and durable. Keeps drinks cold for 24 hours or hot for 12 hours. Completely leak-proof, perfect for on-the-go. Attractive design. Available in the colors: matte red, matte white, matte black, matte blue, rose gold, and copper. The double-walled insulated bottle made of high-quality, food-grade stainless steel is a great companion for the office, sports, and the gym. The water bottle is very robust and long-lasting. The large opening allows for easy filling of ice cubes to cool the drink. Not only do cold drinks stay chilled for an extended period in the insulated stainless steel bottle, but hot drinks are also kept warm for up to 12 hours. The sports bottle is completely leak-proof and can be easily stored in a bag. The tight seal prevents any leakage of the drink.