This 24 Inch Deco Bubble are supplied deflated for ease of packaging and can be filled with helium. Once inflated avoid exposure to extreme temperatures. This deco bubles are made of stretchy plastic that protects and display latex balloons preventing oxidation and making them last longer. Inflate deco bubbles with a latex regulator until wrinkles disappear from the seam and tie tightly. Deco Bubbles do not have valves and are designed for use by balloon professionals. Ref: UTSG4465