Product details: Brand: ROCKBROS Product name: Bicycle bag Capacity: about 0.9L Weight: about 70g Material: nylon Color: black Suitable for: road bikes, mountain bikes, folding bikes, etc. Features: Reasonable design: The bicycle top tube bag has a streamlined design that conforms to the contour of the frame and rationally uses space without increasing the burden when riding. The 6cm narrow edge design can cleverly avoid the leg movement area, reduce the problem of the bag rubbing against the legs during riding, and ensure comfort during long-distance riding. Quick access: The specially designed one-handed zipper for quick storage allows you to easily access items while riding. Waterproof design: The waterproof material can withstand rainy or humid weather and can effectively protect the contents of the bag. Reflective Warning: LOGO brand uses high-gloss reflective material as reflective warning to improve driving safety. Detailed Design: Made of durable nylon fabric with abrasion-resistant pattern, not only fashionable in appearance but also with excellent durability.