The Green Guru Gear Commuter 24L Roll Top Backpack is a large-sized backpack made in the USA with a recycled bike tube made of durable nylon material. It features a roll top design, waterproof construction, and external pockets for convenient storage. This unisex backpack is suitable for hiking activities and fits a maximum 15" laptop. With a sleek black color and a sturdy nylon and rubber construction, this backpack is a practical and eco-friendly choice for outdoor enthusiasts.