Price is the price of one pair
  30 Models without ear height of about 30 cm in diameter and about 16 cm
  40 Models without ear height of about 35 cm in diameter and about 20 cm
  50 Models without ear height of about 45 cm in diameter and about 25 cm
  60 Models without ear height of about 50 cm in diameter and about 29 cm
  80 Models without ear height of about 75 cm in diameter and about 49 cm
  100 models without ear height of about 95 cm in diameter and about 69 cm