Drummers have premium cymbal washers made out of a high quality elastomer (rubber). * Engineered with 5 touch points to minimize contact with the cymbals, which provides cleaner longer lasting tone. * The visible cell wall structure is off-set from one side to the other to flex and respond while still supporting the weight of the cymbal. * Wedgie"s premium cymbal washers are more durable than the traditional felt variety, which peel apart over time. * Patent Pending