Costco Holiday Chair Covers Set Of 6 3D Aplique Vintage Rare. Please see photos- these are pre owned, all of them except Santa are in good shape, the reindeer has a few small dark spots on his left leg/arm, Santa may well be beyond repair. Dimensions are approximately 20″ wide x 26″ long. Would recommend this for chairs with back width of 19″ or less- 19″ if the backs are very thin. Awesome six piece set of Christmas holiday slip covers chairback covers featuring: Santa Claus, Mrs. Claus, reindeer, snowman, polar bear, nutcracker/soldier.