3 Small Medium Large Replacement 70385-01 High Quality Eartips Earbuds Ear Gels for Plantronics Discovery 610 640 640E 645 645E 650 650E 655 655E 665 Bluetooth Headsets Plantronics 70385-01 Clear Ear Gel Kit - Comes in a pack of 3 different sizes (S/M/L). Replacement Set 1pc Small 1pc Medium and 1pc Large High Quality Eartips Earbuds Ear Gels for Plantronics Discovery 610/640/645/650/650E/655/665 Bluetooth Headset Replacement eargels ONLY!!! No Bluetooth Headset or other parts included!!! Product also known as Soft Ear Gel Kit for Discovery 6XX series Bluetooth Headsets Perfect replacement for lost or damaged original eartips!