Will securely hold a wide range of water bottles and readily attach to many of our packs. Reinforced web loops with Natick snaps and Velcro back ensure secure attachment. Design allows for easy, one-hand access with adjustable, elastic security strap. Integrates seamlessly with the following packs:a. Wader BeltZS2b. Ledges ZS2 500 & 650 Waist Packsc. Steamboat ZS2 Slingd. Overlook ZS2 Chest Pack (to pack back)