Features: l High quality for professional use l Made of high quality material, durable and wear-resistant, improves bass in headphones l Replace the original damaged parts to ensure your earphones have long lifetime and better work performance l Easy and convenient to install and remove Specification: l Material: Sponge l Color: Black l Quantity: 1 Pair l Applicable Models: for JBL Quantum 400 Q400 Package: l 1x Pairs of Headphone Covers