Seat Savers, Sofa, Chair and Love Seat Chairs, sofas, and loveseats sag with age and abuse (like grandkids jumping on them). But these sturdy vinyl-covered panels end the sagging, and give new life to your chairs, loveseats, sofas. They're made of particle board, divided into panels that fold to fit your seats. Chair - 22" x 19" Loveseat - 19" x 44" Sofa - 19" x 66" Seat Savers Sofa