Earphones Plus brand 310-B-6BLK-6CLR-M Replacement earphone cushions, replacement earbud tips, 12 pairs size medium + 1 bonus memory foam pair, black and clear Available in XS, S, M, and L: Size 4 mm connector hole will attach to earphone/earbud connection tips from 11/64" (4.2mm) up to 7/32" (5.5mm). For the next LARGER HOLE SIZE, use the following keyword in Amazon search bar: 310-C-6BLK-6CLR-M Replacement earbud tips include 1 free sample pair of Earphones Plus brand "Squish Fit" memory foam replacement earbud covers Fits select earphone models by thinksound, Ultimate Ears, Urbanears, V-Moda, Velodyne, Vio, Vsonic, Yamaha, and many others 100% silicone cushion designed with soft contours for comfortable fit and maximum sound isolation Also try our bilevel (double flange), trilevel (triple flange), and memory foam earphone tips