Feature: Lightweight and durable, made by senior fabrics. Prevents hindrance of chain slamming and protects the frame from nicks and scratches. When the chain turns, this accessory can protect the bicycle chain from damage! Ideal for use with all multi-speed bikes and some single speed models. Hook and loop design, install, remove and wash easily. Specification: Brand: DUUTI The color black Material: Neoprene, Nylon Size: approx. 22 x 12 x 0.25 cm/8.7 x 4.7 x 0.1 inches. Weight: approx. 23 g. Package list: 2 x bicycle frame protectors (the bike is an accessory in the picture).