From Knoll.com Construction and Details Upholstered with 40 individual panels. Individual panels are cut, hand-welted, and hand-tufted with leather buttons produced from a single cowhide. Cushions are premium quality, highly resilient urethane foam with down-like dacron polyester fiberfill. Upholstery straps are cowhide belting leather. Sides are dyed to match specified upholstery color. 17 straps are used for cushion support. Frame is polished chrome hand-ground and hand-buffed to a mirror finish. Upholstery straps attached with aluminum rivets. The KnollStudio logo and signature of Ludwig Mies van der Rohe are stamped into the leg 29.5" W x 30" D x 30.25" H x 17" SH