This classic standard balloon is the most economical choice for adding a pop of fun to any celebration.  The standard mylar balloons are a versatile addition to any balloon bouquet, available in thousands of different themes and prints for almost any occasion. Whether you choose to inflate them with a straw, hand pump, electric inflator, or helium regulator, this Moon Boy Mylar and Foil Balloon will add an extra element of fun to your baby arrival celebration. Standard mylar balloons are self-sealing and reusable.