This Outdoor Products Hydration Reservoir 2.0 Liter Bag Pack Lot of 2 is perfect for hiking enthusiasts looking for the best gear. Its 2 L capacity is perfect for long hikes, and the collapsible and foldable features make it easy to pack. Made of Silicone/Gel/Rubber material, this hydration reservoir is easy to clean with warm water. It has a solid pattern with one number of dividers and one number of pockets. It also has a toggle closure and converts to backpack. It is ideal for summer hiking and its frame material is made of plastic. Get this hydration reservoir and make your hiking experience a lot easier!