Happy sofa and lounge chairs from HighTower - The Happy sofa, designed by Roger Persson, can be playful or more corporate depending on the fabric choice. Available in a low back or high back version. Steel sled base available in white, black or chrome finish. Chrome finish is standard. Comfortable seat made of moulded high resilience foam and concealed spring system. Part of the Happy family, full series from stacker to sofa.