This bag features three compartments and a removable, adjustable shoulder strap for adapting to whatever you need. You can carry this bag solo, mount it to a backpack or attach other accessories to it thanks to heavy duty MOLLE webbing. The bag is fastened with compression straps for security, making this bag a dependable utility for carrying ammo, medical supplies, tools and even camera equipment. Large enough to fit all of your supplies and sturdy enough to handle the demands of your job, this bag is a high quality and highly versatile product.