Polypropylene and fiberglass shell with anodized aluminum frame and UV resistant colors. Chair is provided with cutout for rainwater drainoff. Stackable 7 units high for storage. Suitable for indoor or outdoor use. Sold in cartons of 4 only. Pistachio, White or Black; additional colors available as special order. VACANZA meets or exceeds the minimum requirements per ANSI/BIFMA X5.1-2011 for Office Chairs and has a weight capacity of 252lbs.