For Your Everyday Adventures!Take your Nalgene bottle to the gym,office, camping,exploring and everywhere in between.This Nalgene water bottle is completely leak proof, made of virtually indestructible BPA-free Tritan, easy to clean and dishwasher safe on the top rack.Suitable for both warm and cold beverages (-40 to 212 degrees Fahrenheit);wide mouth makes cleaning and adding ice cubes easy.