Ball is an air-filled sphere with a circumference of 68–70 cm (27–28 in), a heavier weight 410–450 g (14–16 oz), inflated to a pressure of 0.6–1.1 at (59–108 kPa 8.5–15.6 psi) "at sea level", and covered in leather. Use clue if u cannot get it still.
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