Plantronics EAR CUSHION SUPRA PLUS ( 40709-02 ) Packaged Quantity: 2 (specifications are for single item) Product Material: Foam Designed For: Encore H101, H91; Encore Polaris P101, P101N-U10, P101-U10, P91, P91N-U10; Polaris P101-U10, P91-U10; SupraPlus H251, H261, P251, P261, P261N-U10; SupraPlus NC P251N-U10; SupraPlus Polaris P251, P251-U10, P261, P261-U10