Sofa made in Europe. Non-removable cover in velvet : 100% polyester. Base in corrected calfskin leather (20% natural grain). Seat : metal structure, highly resistant foam (28-31kg/m3). Cushion pad : 80% peaked foam, 20% duck feathers. Zig zag spring seat suspension. Back seat : wood structure (solid pine, particles boards, wood fibers). Legs made of steel with black mate painting. Delivered assembled excepted the legs.