Mustang Tripper Solo Seat for 2004-2011 Harley Davidson Sportster Baseplates are formed from 16 guage steel and are black epoxy powder-coated for complete rust proofing Exposed brackets are bright chrome plated Controlled density Polyurethane foam provides all-day comfort and retains shape and support after years of use Made from the highest quality expanded vinyl available All seams are sewn twice for strength