The model includes 12 covers: 1 frame (covers the armrests as well). 5 seat, 6 backrest. Karlstad is a modular series now discontinued at IKEA. When facing the sofa, the 2-seat section is on your right. This cover will only fit the IKEA Karlstad sofa. The cover for the frame is sewn in 1 piece, easy to put on and take off. Does not fit the corner sofa with chaise longue(s) or the Karlstad in leather. The cushions covers are secured with zippers and are reversible.