When you want your decorations to stand out, choose a Stand-Up! Perfect for a party, this Number 50 Stand-Up is the quick and easy way to make an impact at your event. Decorate for a milestone birthday, anniversary party, special event or everyday fun with this full-color quality stand-up. Cardboard. Stand-ups are one-sided with a brown cardboard back. 53" x 36". Special Shipping Information: This item ships separately from other items in your order. No P.O. Boxes — item must ship to a physical address.