DeckMate Large Bass Boat Seats Free Same Day Shipping. Order Before 4pm EST. We Ship Via FedEx. 2-piece design allows you to easily mount your seat cushions separately. We have a variety of sizes available, please see all our bass boat seats. 3 year full replacement warranty. 100% plastic frames, stainless hardware included. 30oz marine grade vinyl with SunStop UV treated marine thread. Factory Grade.