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CNCN
Brand: 阿悠娜（IONA）
Ball Series: Any Kind of Sports Ball
Specification: 5# (196MM)4#(186MM)3#(170MM) or any other customised
Material: Butyl 30,50 or 80%
Weight: 65G or above
Circumference: Standard
Ball pressure standard: 7-9PSl
The main material in this kind of bladders is Butyl Rubber .Butyl Bladders are known for its prolonged Air Retention
