The colina is a sculptural armchair characterized by its sweeping, organic lines and an elegant, “winged” silhouette when viewed from above. model identification: colina m (medium) with sled base. Materials & finish: high-grade black italian leather (pelle). The leather is expertly tailored with decorative vertical seams on the backrest. Base: black powder-coated steel sled base. Under-seat detail: features original grey arper-branded fabric lining and “made in italy” red authenticity tags. measurements: 95cm w x 75cm d x 70cm h x 50cm sd x 40cm sh this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution