ALERA-CHAIR,STACKING,GY. Continental Series Stacking Chairs, Gray Fabric Upholstery, 4/Carton. Make your guests feel right at home with these classic Continental Series stacking chairs. Designed for comfort with a waterfall seat and contoured back. Durable acrylic upholstery for long wear. Sturdy black tubular steel frame for strength and stability. Recommended Applications: N/A; Seat/Back Color(s): Gray; Features & Functions: N/A; Arms Included: No.