Compete Audio MDR replacement ear pads compatible with SONY MDR-1R MK2 MDR-1RNC MDR-1A 1ADAC 1ABT 1RBT head phones/headsets. High quality padding and protein leather. Simple to install: 1. Gently pull up and out on the old ear pads to remove. 2. Starting at the top, slide the skirt of the new pad over the flange. 3. Work around the outside of the pad to slide the rest of the skirt on. If you are unsatisfied for any reason, please return items via Amazon for a full refund.