Wise Premier 28 Pontoon Radius Corner Seat This Wise Premier 28 Pontoon Radius Corner Seat features high-density, rotational molded bases and removable cushions that provide spacious storage inside each seat base. Composed of soft touch 28 oz marine grade vinyl, the contoured cushions are stuffed with OEM grade, high compression foam padding and are designed to be scuff, mar and weather resistant. With a built-in cup holder and a marine grade seat and back frame, this premier pontoon radius corn