adidas UCL Club Football Properties: The adidas football is perfect for playing on natural grass surfaces. The design is inspired by the lion-inspired appearance of the official match ball used in the UEFA Champions League. Standard size. Synthetic, machine-stitched TPU shell. The butyl bladder holds air perfectly. Material: Shell: 100% recycled TPU;adidas UCL Club Football Properties: The adidas football is perfect for playing on natural grass surfaces. The design is inspired by the lion-inspired appearance of the official match ball used in the UEFA Champions League. Standard size. Synthetic, machine-stitched TPU shell. The butyl bladder holds air perfectly. Material: Shell: 100% recycled TPU