IT’S TIME TO PURR-TY! Whether it’s kitty’s birthday or your birthday, this vinyl 6½" (16.5 cm) Inflatable Party Hat for Cats will help you celebrate. Just attach the colorful hat to a feline noggin using our four-point elastic strap system and let the party begin. Printed with “Happy Birthday.” It’s my purr-ty and I’ll meow if I want to. Illustrated box.