You express your personal style with your watch and your sunglasses, why should your water bottle be any different? SIGG’s sleek bottles are made in Switzerland and have become a must-have accessory among eco-friendly celebrities in Hollywood. The bottles are available in dozens of cool designs, including limited-edition collections featuring artwork by Keith Haring and Vivienne Westwood. It's no wonder that a SIGG bottle is part of the collection at the Museum of Modern Art.