Multi-use pouch 3 ways to use. Versatile pouch that can be worn as a backpack pouch, shoulder pouch, or belt pouch! Double pockets with zippers for extra storage! Smartphones can be placed in the front as well. This pouch is designed to hold up to 6.9 in x 4 in size smartphones. It can hold large model smartphones like the iPhone 15 Pro MAX. When used as a backpack pouch, it is very convenient for mountain climbing and trekking. Can be securely fastened to a backpack's shoulder strap with the pouch's rear fasteners as well as the carabiner. Can be attached to a backpack. Perfect for those who do not like to put things in their pockets. Can be used as a shoulder pouch or neck pouch.