JLAB JBuds Pro Tips Double Flange Noise Isolating Silicone Replacement Buds-Style Cushions for Earbuds / In-Ear Earphones - Medium - Blue Custom fit: Double flange design seamlessly combines two sizes in each tip, providing a superior, customized fit for any sized ear, from XS to XL. Extra Comfort: Soft, contoured silicone is ergonomically shaped for maximum comfort during extended use. Noise Isolation: By achieving the perfect fit and seal, outside noise is blocked, providing a pure audio experience at any volume. Available in Black, White, Blue, Pink, Silver, and Light Gray in 3 different sizes. Small (XS/S double flange), Medium (S/M double flange), and Large (L/XL double flange). Fits JBuds J3, J3M, J3MS, J4, J4M, J4MS, J5, J5M, J5MS, J6, J6M, J6MS, J.Fi, J.FiM, Q1, Q1M, Q1MS, Sony, Sennheiser, V-Moda, Skullcandy, Ultimate Ears, Rocketfish, Phillips, JVC, Maxell, EarPollution Plugz, Coby, as well as other major earbuds.