Getmorebeauty Check Stripe Protector Sofa Loveseat Chair Couch Slipcovers (Loveseat) 55% Cotton/ 45% Polyester 55% cotton/45% polyester,machine wash fine. sofa's length with 35.4" - 55.1", 1 seat sofa choice size "chair" sofa's length with 55.1" - 74.8", 2 seat sofa choice size "loveseat" sofa's length with 74.8" - 90.5",3 seat sofa please choice size "sofa" if it is sectional sofa, pls confirm it is how seat first.