Sennheiser Black Silicone Replacement Eartips Sleeves for SET830, SET840, SET900 TV Listening Headphones System - 10 Pack (5 Pairs) New 10-Pack (5 pairs) Sennheiser Black Silicone replacement Ear tips in manufactures original packaging The Eartips will fit Sennheiser Listening Systems: SET 830, 830S, 830TV, SET 840, 840S, 840TV, SET900 (and Receiver headsets; RI 830, 830S, RR 840, 840S, RI900) The Eartips provide a great sound isolation and seal while holding the earphones in place in the ear Manufactured in soft black silicone rubber. Easy to attach and replace