Actually, you would panic and scream at the sight of a shark – but not with our sweet Sharky. The Sharky foil balloon , with a gigantic size of 1.02m x 62cm , exists solely for the purpose of giving your little underwater fan a really great birthday. When inflated with air or helium, the balloon measures an incredible 92cm x 48cm . The set also includes a straw that can be used to fill with air, deflate or refill.