11 * 5 * 6 Inch (L*W*H), waist strap can adjust range 26 to 50 Inch, water bottle holder can accommodate a diameter of 3″（about 25 oz bottles).
Multi-purpose】: 2 extra shoulders straps, 3 ways to carry (waist back style, using the shoulder strap, using the backpack strap).
【Design】: Wear-resistant nylon, breathable mesh lumbar, external organizable adjustment belt, dual water bottle holders, three exterior front zipper pockets, two exterior side zipper pockets to keep your stuff separate and organized.
【Lightweight】: Outdoor lightweight and practical waist pack with to carrying enough water and gear for a day hike, camping, cycling, fishing, etc.
