Single-seat sofa cover: suitable for sofa size 90-140 cm /35.43inch X 55.12inch
Double-seat sofa cover: suitable for sofa size 145-185 cm /57.09inch X 72.83inch
Three-seat sofa cover: suitable for sofa size 190-230 cm /74.80inch X 90.55inch
Four-seat sofa cover: suitable for sofa size 235-300 cm /92.52inch X 118.11inch
Applicable sofa: Armless sofa,Armrest sofa, L-shaped sofa, Sectional Sofa
Please measure your sofa include armrest,then choose the size,if you don't measure it,the sofa cover will be smaller than your sofa.