🎊 Unleash the Fun with Cookie Monster Magic! Inflate with helium or air—your choice for ultimate convenience! Remember to weight and dispose of responsibly—party smart! Self-sealing valve keeps the fun going longer—no gas escapes! Ideal for birthdays, baby showers, or any festive gathering! Make every party unforgettable with this eye-catching Cookie Monster balloon! Vibrant multicolor 35" size Self-sealing valve The Mayflower Products 35" Anagram Cookie Monster Foil Balloon is a vibrant, multicolor party essential featuring a self-sealing valve for easy inflation with helium or air. Perfect for various celebrations, this Mylar balloon arrives uninflated and should always be weighted and disposed of responsibly.