Both air and helium supported. Perfect for creating a balloon arch, balloon garland, or balloon bouquet. 🏁 PARTY BALLOONS KIT: The race red and black balloons garland set have 116pcs balloons, include foil black and white grid(18″3pcs), red(10″20pcs+5″15pcs), black (10″20pcs+5″15pcs), white (12″10pcs+10″10pcs+5″15pcs), 16ft balloon strip tape (1 roll), 100pc glue dot (1 roll).