OFM's ReadyLink Add-On Seating is perfect for auditoriums or reception areas, because you can link an unlimited number of chairs together to form long rows. Each chair's seat and back are made of easy-to-clean vinyl, and the sturdy steel frame supports up to 250 lbs of evenly distributed weight. Flip up the seat when not in use to save space. This adder seat connects to starters or other adders.