There are 4pcs noise isolation earbuds tips, -heat activated to ear canal, keep your earbuds in place and lock the voice, your music . Great to replace your old/ /dirty/unsuitable earpads, and helps solve everything with our earphone tips! material also won’t hurt your ears even after long time using. Features - Color: Black. - Material: Memory foam. - Size: 0.5 x 0.5 x 0.55 cm. - Advanced memory can change by your temperature perfectly fits any type of ear canal, perfect for fixing headphones to prevent falling when workout. - Aside from the fact the memory allows them to perfectly mould to your inner ear, it provides you with small sizes can really enjoy optimal comfort. - These earphone tips can keep your earbuds in place and lock the voice, your music . - A great product for isolating the external noise interference, even in the noisy environment, without increasing the volume up to over the noise, which can protect your ears. - Great to replace your old/ /dirty/unsuitable earpads, and helps solve everything with our earphone tips! - Warm Tip: Dear buyer, due to lighting effect, ’s brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 4 x Earphone Tips