About this item Six pairs of original eartips in various sizes: 3 sizes single-flange, 2 sizes triple-flange, 1 size double-flange Made of high-quality clear silicone to provide superior noise isolation and secure in-ear fit Soft, durable, comfortable, washable Compatible with various earphones with a ~3.5 - 4mm sound tube diameter Size: 1 x 1 x 1 inches