Premium Black Adjustable Wrist Armband Sports Gym Carrying Case Cover for Apple IPhone 3G 8GB 16GB 2nd Generation Smartphone Slim, lightweight, and stretchable neoprene material. Open LCD screen and will not hinder navigation. Comfy, adjustable armband with loop closure (fits up to 15" circumference bicep). Water-resistant and hand-washable material. Ideal for outdoor activities & sporting events. Compatible with Iphone 2nd Generation only.