36 Inch Giant Jumbo Latex Balloons (Premium Helium Quality), Pack of 24, Regular Shape - Clear Helium-inflation allow balloon to float. Floating time is about 18 hours for indoor or 12 hours outdoor. Balloon Size: 36" or 90cm Made of Natural Rubber Latex and Biodegradable Shipped uninflated. Can be air filled or helium filled. Confetti is perfect to be used inside these clear balloons.