Havana sofa 84 '' by Restoration Hardware.
Overall: 84 W x 33¾ D x 26½ H (30 H with cushion) Seat: 81½ W x 23½ D Seat Height: 4 (14 with cushion) Arm: 1¼ W x 19½ H (at front)
Link to manufacturer: https://www.restorationhardware.com/catalog/product/product.jsp?productId=prod10840622&categoryId=cat10220026