The Spin Bag 30L is a versatile and waterproof backpack designed for cyclists, runners, and urban commuters. It features a roll-top closure, a separate bottom compartment, and welded seams for maximum waterproof protection. The bag is made from recycled polyester and biodegradable TPU, making it a sustainable choice. It is perfect for carrying your essentials on your daily adventures, whether you are cycling, running, or commuting.