Brand: 阿悠娜(IONA)
Ball Series: Any Kind of Sports Ball
Specification: 5# (196MM)4#(186MM)3#(170MM)
Material: SR
Weight: 95G to 300G
Circumference: Standard
Ball pressure standard: 7-9PSl
The main material is Special High Bounce rubber, which has excellent elasticity and bounce.HR Bladders are made from special rubber ,formulation, design and special process, it has higher rebound than ordinary Ball Bladders.