MIX & MATCH:Combine with other number balloons to complete the number formation or use as a standalone piece. Perfect for birthday parties, anniversary celebration, etc DESIGN:Bring back the charm to any party with this number balloon. The front side of the balloon features Numerical 6 in bright red color with a pretty blue background whereas 6 written in multicolor can be seen at the back. HELIUM QUALITY:Visit your nearest helium gas provider and have the balloons filled with helium or simply use an air pump to inflate the balloon with normal air. Do not over-inflate, we will not be responsible if the balloons burst due to over-inflation. DISCOUNTED SERVICE:Visit your nearest Wanna Party outlet to get your balloon Air Inflated for FREE and we fill Helium Balloons at a discounted price if you buy from us. We also add ribbons and balloon weights to the balloon at no extra cost. SIZE:This Foil Balloon measures 18 inches. Safe and non-toxic.