Buying a Large Sectional Sofa If you are shopping for a big sectional sofa, consider the size of the sofa, its form, and other features such as cup holders and USB charging. Also, look for a firm that has sustainable practices and a 180-day return period. Before you buy try https://www.sofasandcouches.com/products/flamaker-modern-u-shaped-sectional-sleeper-sofa-4-seat-grey