Star Beam Seating-Plum - Seat Cover: Plum OFM 323 The Stars and Moon Series is contemporary and built with integrity. It boasts a built-in lumbar support and stain-resistant fabric seats. Features: -Polypropylene, steel, fabric, cushion construction.-Stars and Moon collection. -Built-in lumbar support. -Can be used on leveled floor surfaces to create stadium seating. -Molded polypropylene Back and Seat. -Stain-resistant fabric. -Seat cushions are replaceable. -Meets or exceeds ANSI/BIFMA standards .