50mm Leatherette Headset Earcushions - Bag of 2 Fits Headphones and Headsets with an Earpiece ranging between 1 9/16 inches and 1 15/16 inches in diameter Metric Equivalent - Fits an Earpiece Diameter Ranging Between 39mm and 49mm in size. If your Earpiece is Oval Shaped, Add the Width to the Height; Then Divide by 2 to get the Average Diameter to see if it fits the range shown above Leatherette Earpads are made of a Simulated Leather or Leather-Like Material that will Help to Cushion the Headphone Earpieces, Making them Comfortable to Wear These cushions have no latex. The hole opening stretches from 30mm (about 1  inches) to slightly less than 2 inches.