■ Ball Size Circumference: 26.8 - 27.6 inches (68 - 70 cm), Diameter: 8.7 inches (22 cm), Weight: 14.1 - 17.2 oz (410 - 450 g) *If this ball is folded, it will leave wrinkles on the surface even after inflation. Please store and transport in the air inflated. Durability may decrease if used on artificial turf.