Say 'Congrats' in style with our silver Congrats letter balloons at your graduations, anniversaries, Bar Mitzvahs or weddings. Each celebratory balloon kit comes with 7 letters, 40 glue dots, and 4 inflating straws. Each 16" (40cm) letter of 'Congrats' is made of mylar and can be filled with either air or helium. Use the self hanging glue dots to stick each letter to a wall or cabinet.