Main material: solid Russian pine + solid wood multi-layer board Filling: high elastic density sponge + back stainless steel feet: 3CM solid wood feet Fabric: Orange: Fabric: F440-01 Simulated microfiber: CE11-15 Green: Fabric: F640-01 Simulated microfiber: CE1-31 Purple: Fabric: F632-01 Simulated microfiber: CE1-32