Five pairs of replacement eartips for the TV Ears headset receiver. This patented revolutionary eartip, not used in any other commercially available headphone, provides exceptional comfort, clarity and cleanliness. This tip was originally developed for use by the U.S. Military, and now provides TV Ears users the same exceptional sound clarifying technology.Within a few minutes after placement in the ear, the tip, warmed by the ear's heat, will conform to the inside of the ear. This provides a seal that reduces outside noises while creating an acoustically sealed chamber for TV Ears to reproduce extremely natural sound and, in particular, voices and dialog. 9mm, medium, round.Includes 10 foam eartips and 2 plastic snap tip adapters.