Sweet dreams! It's a girls' night in slumber party! Complete the look of your overnight bash with our Sleepover Happy Birthday Balloon! Resembling the design you might find on a pillowcase, our sleepover balloon features a flannel-patterned border that encases a special "Happy Birthday" message for the birthday girl! Combine our 18-inch round Sleepover Happy Birthday Balloon with the rest of our slumber party supplies for a celebration worth remembering! This Sleepover Happy Birthday Balloon is sold individually, and ships flat, ready for inflation.