Westone Star Silicone Replacement Eartips - 5 Pair Pack, Fit Kit with Multiple Sizes COMPATIBLE WITH ALL WESTONE IEMs: Westone's Star Silicone and True-Fit Foam replaceable in-ear monitor eartips are the best on the market today and are compatible with all Westone's IEMs. MULTIPLE EAR PIECE SIZES: Perfect for trying out all different sizes of our silicone ear pieces, this multipack allows you to find the idea fit for your ears. These silicone tips provide superior comfort and fit and impressive acoustic isolation in a lightweight and flexible eartips. By finding the ideal ear tip size, you can ensure you get the best experience, comfort and noise isolation. 12MM DIAMETER X 14MM LENGTH: Designed for longer ear canals, these silicone tips provide superior comfort and fit and impressive acoustic isolation in a lightweight and flexible eartips. As with all Westone ear pieces, ensuring you select the proper size will give you the best experience, comfort and noise isolation. 5 PAIRS OF REPLACEABLE EARTIPS: With 5 pairs of our replaceable eartips all in different sizes, you'll be able to try different sizes or share them when your friends ask you for a pair. 60 YEARS OF DESIGNING CUSTOM EAR PIECES: Our Silicone Star Tips use all the innovations and expertise that Westone has developed in almost 60 years of designing and manufacturing products for the human ear. These replaceable eartips enhance the performance in-ear earphones by ensuring superior noise isolation, and a superb fit.