This is something everyone could use. We all need to stay hydrated. This Hydration Backpack has a 2 Liter water bladder. It is perfect for visiting the Grand Canyon, long hikes, camping, biking and more. It is very affordable. This is even great for sightseeing. It has multiple storage compartments, so you can carry an IPad, Books, clothes, towels, snacks and more. It is very comfortable. The Hydration backpack comes in 5 different colors, so it is great for both men and women. It is BPA free has a locking feature and lid to keep it from leaking, is insulated and keeps your drink cool for up to 4 hours.