LOONBALLOON Farm Animals Balloons, 30 inch PIG, Accent your farmyard themed party with this 30in. shaped Playful Pig foil mylar balloon. The perfect balloon for your farmyard party, this 30in. party balloon is great for setting the scene! This balloon includes a self-sealing valve, preventing the gas from escaping after it’s inflated. The balloon can be inflated with helium to float or with a balloon air inflator. Balloon arrives uninflated. 30in. Playful Pig Balloon