Sling Bag, D-TASKS Mens Outdoor Military Shoulder Sling Backpack Chest bag The sling backpack is made of high quality nylon with unique style buckle closure, which is very comfortable on your skin,it will likely repel most dirt and moisture without effort. Structure: a zippered pocket on the inside of the main body,an open pouch with a zipper closure held shut by the front buckle strap,the front pouch visible in the picture, which itself has three zipper pockets. There is another diagonal zipper pocket on the back, more secured and closed to your body. And two side pockets are great for bottled water or juice boxes. Great for Travel,Hiking,Camping,Fishing,Sports,Leisure or Outdoor activities. Size: 16.5"*9"*3"inch;Weight:14oz