The Oxford S-Series Q4s Tank Bag is a semi-rigid piece of luggage with a 4l capacity and max load of 5kg.Semi-rigid luggage4 litre capacity with 5kg max loadReflective piping detailSlim ergonomic TPR handleNylon 210D liningWeather resistant zipInternal zipped mesh net pocket4 loops to attach phone holder (sold separately)Cable port entry/outlet front and rearHeadstock strap provided (must be used)Quick release attachment requires a QR tank ring (sold separately)Protective cloth storage bag and rain cover includedThe Oxford S-Series Q4s Tank Bag has been made with a Nylon 210D lining and weather resistant zip. There are four loops to attach a phone holder, which is sold separately, along with four magnets integrated in the base for easy mounting.Inside the bag is a zipped mesh net pocket, protective cloth storage bag and a rain cover. There is also a cable port entry/outlet at the front and rear.The bag uses reflective piping detail to increase the visibility of the rider, which is help