Add a colorful, festive touch to your next birthday cake with help from our Rainbow Happy Birthday Cake Topper. This cake topper measures 5.5 inches tall x 4.5 inches wide. It is made from plastic and has two picks, making it easy to place the topper into the top of your birthday cake. Our Rainbow Happy Birthday Cake Topper features a stylish metallic rainbow look and on-trend “HAPPY Birthday” lettering. This cake topper is sold one per package and is ready to help you celebrate the guest of honor’s birthday!