Why Do 3 Seater Sofas Only Have 2 Cushions . The number of cushions you will recieve on a 3 seater sofa can vary depending on the range and style of the sofa. This sofa type is made for comfort and usually comes with some softy back pillows. Contemporary 3 Seat Queen Innerspring Sleeper Sofa with Flared Arms and from www.wolffurniture.com Oviously i cannot reverse these cushions but is there danger of material coming apart from the leather or is it no worse than. Since most couch cushions usually seat two in threes, we made two for three because we thought it would be most uncommon for three people to sit on the sofa.we often tell the customers that it looks bigger and feels more compact. If it feels springier, fuller, and stronger, the previous cushion is wearing out.