8 PCs Foam ear cushions designed for: Plantronics H51, H51N, H61, H61N, H91, H91N, H101, H101N, SP04, SP05, Supra, Plantronics Encore, PLX500, and SP Spirit headsets and most standard size office headsets High Quality Sound This plantronics headset ear cushion with hole and Nylon cover, donut style allows maximum sound to the ear from the speaker and Nylon cover to prevent dirty Comfortable Wearing Plantronics ear cushions made of premium quality foam material, ensure all day wearing comfort and prolonged the life of your headset Easy to Install Easy 2 steps replacement and perfect fit Perfect foam Ear Cushion for Headphones; - Classroom testing - Spa headphones - Hotel headphones - Airline headsets - Libraries - Hospitals - School / College - More