Self Inflating Promotional Balloons Custom Printed with Your Business Logo, Artwork, Text. Specialty Advertising Perfect for Holidays, Events, Sales. UNIQUE SELF INFLATING Promotional Balloons get attention, build your brand, deliver your message, and help make the sale. This type of balloon is very rare in the US. Simply press and it instantly inflates. Your customers will be amazed. 500 balloon minimum order. Chicago, Illinois delivery!