Replacement 1.25-Inch / 30mm Foam EarPad Cover Cushion for Senheiser Koss Sony Philips Headphones Ear Pad-5 Pairs Brand New In A Clear Sealed Poly Bag Diameter: 1.25 inch --- 1-1/4" --- 30mm High elasticity, durable, light-weight, soft and comfortable Increases fidelity of audio by absorbing vibrations of sound waves Compatible Brands Include: Sennheiser , Philips, Sony, Koss