Price x 1 piece. The inflation of the balloon can be inflated with a pump or a compressor, do not overdo the inflation avoiding a possible breakage - check the most angled parts of the balloon avoiding it from bursting. Once inflated, simply tie a tight knot and tie it to a rope. Inflating with helium, the product can fly - with air does not fly - the product is shipped deflated - Product description Inflating with helium, the product can fly - with air does not fly - no residue of foil can remain in the package, must be removed but do not compromise the quality of the product.