Outer material. PVC Shiny 1.50MM. Lining: 3 PLY PVC Foam Layer, 2 PLY Color paste, I Ply Polyester, Bladder Latex with Butyle valve. Class 1, 32 panels.
Pressure : 0.6-0.8 BAR. The Ball is supplied deflated, and must be inflated 24 hours before use, to recommended pressure.