A general purpose, value boat fender made by Polyform and manufactured in the USA G-6 fenders are recommended for boats between 30 and 40 ft. in length Designed for recreational, trailered boats in protected moorings G-6 boat fenders measure 11 in. diameter and 30 in. tall, with an eye diameter of 0.875 in. This fender ships as a single unit, pre-inflated, with a Polyform inflation valve to adjust pressure