Birkenstock Women's Gary Shoe Adopts 900*600D strong and water resistant polyester, super lightweight and durable Strong cord and zippered pouch.60L capacity, spacious to hold carryings for long distance cycling. Top bag is undetachable. Constructed with polyester material, equipped with Rain Cover Structured by 1 top bag, 2 side bags & 2 back bags ,Topped by elastic string for more carryings.Quick release & mount ,Easy to attach to all type of rear rack Rain cover included and Reflective stripe for safe riding during the night.Suitable for any cycling trip