Features: Lightweight and durable, made by senior fabrics. Preventing hindrance of chain slap & protecting the frame from nicks and scratches. When the chain in rotating, this accessory can protect chain from damaging! Ideal for using with all multi-speed bikes and some single-speed models. Hook-and-loop design, install, remove and wash easily. Specification: Color: black Material: Neoprene, Nylon Dimension: approx. 22*12*0.25cm / 8.7*4.7*0.1in Weight: approx. 23g Package List: 2 * Bike frame protector (Bike is prop in picture)