Compatible with Samsung galaxy note 8,big enough even if your device has been put into other protector case .Designed specifically to easily connect headphones and provide full access to all phone ports and sensitivity Water-resistant neoprene and PVC screen protector protect your smartphone from scratches,dirt and sweat in outdoors, installed in seconds. Designed to twist and bend but will not lose the original shape. Adjustable Velcro band supports a wide range of arm girth from 10" (25.4cm) to 15" (38.1cm). Adjustable velcro strap protects and stabilizes device without slipping or constricting.

Ergonomic Adjustable Strap- Durable tie buckle, extra breathable wide wings on two sides, wide velcro strap with elastic reinforcement belt, the arm belt maintain balance stress on your arm, fit for upper-arm from 7 to 12 inches. Breathable&Water-repellentDesign - Unique 3D breathable hole on whole back and two wing sides. With sweat wicking design and water resistant fabric, Camel sports armband effectively prevent phone from rain or water. Two Layer for Storage - Camel exercise armband features large capacity and two separate layers - small designed for cards and keys. Large for wallet and phones, fit for iPhone 7 / 7 plus, iPhone 6 / 6 Plus, iPhone 6s / 6s Plus, Samsung galaxy S8 S7 Edge, ect.