The SuperShape Minnie Mouse Forever Foil Balloon, measuring approximately 53 cm x 66 cm, can be inflated with both air and helium. This versatile balloon allows you to choose the perfect way to display it at your celebration. Whether you want it to float gracefully with helium or be used as a decorative piece with air, it will add a delightful touch of Minnie Mouse to your event! 🎈🎀✨