3 Pairs (L,M,S) Noise Isolation with Extra Layer Comfort Earbuds Eartips for QuietComfort 20, QuietComfort 20i, QC20 and QC20i / Bose SIE2 And Bose SIE2i In Ear Earphones Include : 1 Pair of Large +1 Pair of small +1 Pair of Medium Eartips (In Ear Earphones or Headsets not included) Design for Bose QC20/ QC20i and Bose SIE2 / SIE2i in-ear headphones These are the new generation improved eartips that provide great noise isolation, improved in-ear stability and a lasting comfortable fit. Ideal replacement for any damaged, scratched, defective or lost earbuds,give new life for your in ear earphones Soft material, perfect fit and comfort