Product Details: Leather is top grain, aniline-dyed. Our leathers may have distinct surface characteristics, natural markings, and colour variations which vary from hide to hide and from one product to another, making each leather product unique. Tight seat and back cushions are medium density polyurethane foam covered in a Dacron� wrap. Piping along back and seat cushions. Sled-style wood base with a walnut stain finish. Injection-moulded spring clip supported by a 9-Gauge Sinuous Spring System. Plastic bumpers on all legs to prevent floor damage. All joints have been stress tested. M297 CARB (California Air Resources Board) Phase II compliant.