Vented helmet strap for your quick-release HERO camera. One size fits all adjustability. Compatible with all GoPro quick-release cameras including the Helmet HERO Wide, Motorsports HERO Wide, Motorsports HERO, Surf HERO, and WIDE HERO cameras. NOT compatible with the Digital HERO 5 Wrist Camera. What's Included: 1 Adjustable Strap for Vented Helmets Warranty: 1 Year Specs Model Number: GVHS30 Construction: polycarbonate Strap: nylon