WB 100 National Lampoon's Christmas Vacation Griswold Christmas Silk Touch Throw Snuggle up Holiday style with this fun Warner Bros. 100 National Lampoon's Christmas Vacation "Griswold Christmas" Silk Touch Throw Blanket. Made from 100% polyester, this blanket features a soft and warm fabric that's perfect for keeping you cozy and comfortable. Whether you're buying it for yourself or as a gift for a fellow fan, this blanket is a must-have addition to any collection. Item cannot be shipped to P.O. Boxes