No helium required. Numeral inflates just like a balloon. Customers inflate and insert into included cup and pic and add to their cake for a dramatic display! Balloon height is 6" plus additional 2" for the cup.
Dimensions:
MATERIALS IN PACKAGING: 3.75 x 0.9 x 8.13 inches
INFLATED 1: 2.6 x 1.7 x 6 inches
INFLATED 1 IN CUP WITH PIC: 2.35 x 1.4 x 11.75 inches
