Your Everyday Essential: Stay hydrated on-the-go with our lightweight, BPA free water bottles. Perfect for everyday (and safe!) use. Meet Our Colorblock Collection: Bold tones and colors. Our vibrant Nalgene water bottles match your mood at the gym, office, camping, exploring and everywhere in between Leak-Proof Design: Continuous, straight shouldered semi-buttress threads keep this leak-proof water bottle sealed tight. Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit) Lightweight & Durable: Our high-quality water bottles are made to last a lifetime but engineered to count when weight matters most. They're the perfect lightweight water bottles for backpacking and hiking and fit most filtration units for clean water in a pinch Great for Most Beverages: Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit)