The Pioneer HC-EP0701 is a replacement earpad explicitly designed for the HDJ-S7 headphones and works to replace any worn out ear pads so you can still have complete comfort without needing to replace the headphones completely. The ear pads provide you with a snug fit and feature enhanced sound isolation that is ideal for both performing and recording and is made out of nano-coated polyurethane leather that repels dirt, grime, and liquids, so they stay cleaner for longer.