Ghostly Spirits Jumbo Decor. 20 Square Feet! You can bring some eerie excitement to your next event or Halloween shindig with this giant sheet of decorations. It's the perfect way to give your party an extra spooky touch! It's the perfect way to add a spine-tingling ambiance in a hurry! With 20 square feet of frightful fun, your guests will be dying with anticipation to see what surprises await them!