Made of neoprene material, keeps your phone safe when you are exerciseProvide excellent protection during sport, such as running, biking, jogging, walking, working out etc.Refective strip provides more visibility under light for your safetyAdjustable hook and loop fasteners armband with two openings, fits the arm circumference: about 12 - 14 inchesWashable, durable, and lightweightCompatible with: iPhone 5 5C 5S.This is a non-OEM generic product.Accessory only, cell phone not included.