Quad Lock Run Kit for Samsung Galaxy S8+ The Most Comfortable & Convenient Galaxy S8+ Sports Armband. Low contact with skin reduces sweat Patented dual-stage lock ensures phone is held securely to your arm Simple twist and lock to attach / detach, no annoying plastic pouches Fully adjustable nylon lycra armband will fit arm size with circumference 17-38cm or 6.5"-15" Includes Sports Armband and Slim, Protective Galaxy Case 1x Quad Lock Case for Galaxy S8+ 1x Quad Lock Sports Armband Secure Quad Lock interface Composite construction (TPU / PC) Impact absorbing shell with Microfibre lining Compatible with wireless charging Nylon / Lyrca Strap Low contact with skin reduces sweat Hand-washable material Adjustable to fit arm circumference 17-38cm or 6.5&#034;-15&#034;