Pixnor A Pair of Replacement Soft PU Foam Headphones Ear Pad Ear Cushions for SONY MDR-7506 MDR-V6 MDR-CD900ST (Black) Color: mainly black. Material: durable soft foam and PU. Size: about 8cm*9.5cm. Ideal for replacing the old or damaged ear pads of your SONY MDR-7506 MDR-V6 MDR-CD900ST headphones. Soft, durable and highly elastic design, for comfortable to wear on your ears. The ear pads can help to improve the bass performance of your headphone.