This is a 3.5units offices and 05units terrace design inside buyer's factory, with black frames, black walls and whole front side tempered mirror glass wall. The customization process is easy, buyer choose a favorite design from our catalog, made some changes, and did a hand drawing of building layout he wanted. It took only three days for buyer to confirm our final 3D design and placed order. It took buyer 40days to receive products and another two weeks finished assemble.