Kenu iPhone Bungee Leash, Black (4S, 4, 3GS, 3G and all 30 pin iPods) SAFE - Our coil is cleverly positioned directly under the dock to help shift anyunwanted force and stress away from your device and to our connector. UNIVERSAL - The connector safely locks to all iPhones and iPods (except shuffle)via stainless anchors. TOUGH - Densely braided Kevlar (5Xs stronger than steel) is at the core and can withstand extreme forces to keep your device within arm's reach. VERSATILE - Our abrasion resistant Kevlar loop easily attaches to zipper pulls, belt loops, d-rings, purse straps, and more. FLEXIBLE - The coil easily stretches to arm's length with just a pull.