Size: 260 = 2inch/5cm Thickness and 60inch/152cm Length Color: White 005 Packaging Unit: 50 pieces Brand: Sempertex Helium : No Air: Yes Tip: These modeling balloons are conveniently packaged with the nozzles up, making it easy to sort them. Sempertex balloons are made of 100% natural latex, sourced from the rubber tree. Sempertex products are all ISO and TUV certified.