This is the complete set of chair back and base.
BASE:
600 denier polyester Cordura canvas
• Bungee cord cushioning, durable steel frame construction and hinged back
• Bottom hook secures to bleacher
• Max weight 350 lbs
• Size: 13.5″ x 17″W x 16″H (open); 13.5″ x 17″W x 4″H (folded)
BACK: Back for the standard Stadium Chairs – SKU SH905
• Durable Cordura canvas
• Stitched to open for easy decorating on both sides
• Suggested Imprint Size: front & back: 10″W x 8″ H