Dress up your baby shower or gender reveal party with our classic and chic 12" party balloons featuring our hand-lettered "Hello World" design in pure white ink on a teal blue. WARNING: CHOKING HAZARD. Children under 8 years and pets can choke or suffocate on un-inflated or broken balloons. Adult supervision required. Keep un-inflated balloons from children and pets. Discard broken balloons at once.