Oxford S-Series P4S Phone Holder The Oxford S-Series P4S phone holder is a clever mount that can be attached to one of the Oxford S-Series motorcycle tank bags. Hook & loop fastening to the front and rear of the holder keep your phone in place. A clear front allows you to use your phone as a GPS while riding in addition to other common smart phone features! Motorcycle Phone Mount Features: For use with Q4S & M4S tank bags. Hook and loop fastenings front and rear. Approximate height: 16 cm. Approximate width: 8 cm. Tail Bag Is Not Included Suitable For Phones Under: Height Width 16 cm 8 cm