Seater: For Length 90-140cm Sofa2 Seater: For Length 145-185cm Sofa3 Seater: For Length 190-230cm Sofa4 Seater: For Length 235-300cm SofaPackage Info: 1 x Sofa CoverP.S: For "L Shape" corner sofa cover or sectional sofa cover, you have to  buy 2/3 pieces, attached pls check the "HOW TO CHOOSE SOFA COVER" picture for your reference.