The package includes One 15' W x 7.5' H Safety Leg. Use GOF Safety Legs to create freestanding dividers. Two safety legs are required for a single-panel freestanding. When connecting multiple panels in a straight line, an additional safety leg is recommended at least every 8 ft for extra stability. GOF Safety Legs are compatible with only GOF partition products for a perfect fit and secure connection. Material: Steel & Aluminum