Features: * The memory foam provides all-day comfort while eliminating in-ear irritation and fatigue often associated with stock silicone tips. * Sound isolating design can maximize the noise reduction for high-intensity listening. * The tips create an optimal seal and channel sound directly into the ear canal, transforming your listening experience from ordinary to extraordinary. * High-purity medical-grade silicone construction delivers durability and biocompatibility. * These memory foam tips can improve the sense of hearing, make the intermediate frequency become lubricated, and reduce high-frequency glitches. Specifications: Material: Foam Color: Black, white, green, red, blue. Inner diameter 4.9mm Outside diameter: medium (12mm) Package Size: approx. 8 * 4 * 2cm / 3.14 * 1.57 * 0.78in Package Weight: approx. 5g / 0.17oz Package List: 5 * Pairs of Memory Foam Tips