Bluecell 10 Pairs Medium Black Color Silicone Replacement Ear Buds & Memory Foam Tips Eartips for in-ear earphones Package included :10 Pairs black color medium size Silicone Replacement Ear Buds Tips High quality silicone earbuds, eartips,earpads, ear cushions Sound isolating design reduces ambient noise for high-intensity listening Re-usable, can wash with water.Outer diameter:12mm