ALERA-CHAIR,STACKING,SQ BACK,GY. Continental Series Square Back Stacking Chairs, Gray Fabric Upholstery, 4/CT. An office essential! Convenient, space-saving chairs stack up to eight high when not in use. Padded seat and back with durable acrylic upholstery for comfort and long wear. Attractive chrome-plated steel frame complements any office environment. Recommended Applications: N/A; Seat/Back Color(s): Gray; Features & Functions: N/A; Arms Included: No.