Double-walled water bottle made of food-grade stainless steel. Robust and durable. Keeps drinks cold for 24 hours or warm for 12 hours. Absolutely leak-proof, suitable 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 at the office, during sports, and at the gym. The water bottle is very sturdy and long-lasting. The wide opening allows for easy filling of ice cubes to cool the drink. Not only do cold beverages stay chilled in the insulated stainless steel bottle for a long time, 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. A tight seal prevents any spillage of the drink.