The Oxford S-Series Q4s Tank Bag is a black polyester tank bag designed for street motorcycles, featuring a screw-on mounting style for easy installation on the upper part of the vehicle. With a capacity of 4 liters, this bag includes features such as cable passage, water-resistance, a removable design, and an inside pocket for convenient storage. It comes with a 1-month seller warranty and a 1-year manufacturer warranty, making it a reliable and practical choice for motorbike riders looking for a versatile and functional storage solution.