True vintage, mid century modern, Sterling Products Co. Inc. St. Paul, Minn 55118. Pre-owned, appears to be in good condition, with no rips or damage noticed. I tried to spread it out over top of my modern La-Z-Boy sleeper sofa (3-cushion with queen sized bed inside), but it wouldn’t go down all of the way. It measures approximately 60 inches across from inner corner to inner corner (down over the seam of the seat cushions). The top of the sofa down to the seat corner measures about 28 inches. Most modern furniture is too bulky for this cover. If you have a vintage sofa, this just might work for you!

Also listed a vintage Sterling wide arm chair cover in a separate listing. 

Great prop for Hollywood movies or stage shows.