Go dotty with our Latex Black Polka Dot Balloons! Each measuring 11in when inflated. Black Polka Dot Balloons features an all-over white, polka dot printed design. Use polka dot balloons alone as fun party decorations or mix and match with foil balloons to create a balloon bouquet for your special occasion. WARNING: CHOKING HAZARD - Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once. Balloons inflated with helium include 1.5m String and curling ribbons attached The floating hours of helium latex balloon is up to 10 to 12 hours. HI-FLOAT balloon treatment is a solution of a plastic material dissolved in water. It forms a coating inside latex balloons that greatly reduces helium or air loss. With HI-FLOAT, party decorations can be prepared a day ahead of time, and balloon bouquets will float for several days. Please plan your collection or delivery timing for the helium latex balloons accordingly.