MaterialHigh-density nylon and high-quality ABS buckle - lightweight, durable and waterproof material with adjustable shoulder strap. Can also be carried as a tactical shoulder bag.SizeMain bag: 18*21*5cm; Waist belt: 27.6"-45"/70-114cmRemovable water bottle bagThe water bottle bag is removable. The adjustable waist belt is suitable for different body shapes. The accessory belt can meet the needs of tactical bags and can be added to your tactical equipment. You can easily use this bag as a waist bag, belt bag, etc.Wide ApplicationThe waist bag is suitable for running, hiking, camping, hunting, cycling, shopping, traveling, mountaineering, walking, sports, going to school, tool bag, etc.