Soft Leg?Metal chrome base come with adjustable stud, beautifully joint for its elegant. Fine Stitches?Enchanced quality upholstery and fine stitching workmanship.Pocket Spring?High density polyurethane foam come with pocket spring, to ensure a long lasting shape of the sofa, and provide resilience for greater support and best seating comfort even for long seating hours. Sponge?High density polyurethane sponge, provides soft and cushiony seating feeling