Accent your sea, ocean, & fish themed party with this 35" large unique shape Sand Castle foil mylar balloon. The perfect balloon for your sea, ocean, & fish party, this 35" Betallic 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. 35" Sand Castle Balloon by Betallic