Woven canvas construction, super durable and time-proof. Dismounted basket can be re-used as a handbag with large capacity. Aluminum alloy frame is sturdy and unbreakable. Boasts of quick-release handlebar mounting system. Two plastic straps for unfurling the inner space of baskets. An adjustable closure system is wonderful for increasing the basket capacity. Woven canvas construction, super durable and time-proof.