The small 0,5 liter wide-mouth bottle from Nalgene is one of the most popular. The large opening enables you to put ice cubes in and enjoy a cold drink during a long period. Or you can use it to bring pasta, rice or keep electronic gadgets dry. The measuring scale on the side lets you track your water intake. The bottle does not take or give any taste or smell to the fluid being stored in it. It is extremely durable and will not break easily. The cap can be removed and you can choose between several other colored caps. The 0,5 liter can stand temperatures from -40 to +100 degrees Celsius and can also be washed in a dishwasher. BPA-free and made in the USA with meeting highest quality standards.