The Nalgene Transparent Lexan Polycarbonate Square Storage Bottle is great for a variety of purposes including liquids for traveling, medicine for at home or storing food! The options are endless with this square bottle and it is so easy to store thanks to its square shape. The bottle also has a narrow mouth that allows for easy pouring of liquids and more. Unique shape allowing for easy storage. Great for travel, vacation, camping trips or storage at home. Narrow mouth that allows smooth pouring. Resistant to staining. Won't retain odors. High impact resistance. Dishwasher safe away from the heating element. Max temperature: 135C/275F. Min temperature: -135C/-211F. Durable, transparent Lexan bottle. Bottle material is Polycarbonate Cap material is Polypropylene.