Material: Silicone<br> Noise reduction rate: 40%<br> Function: sound insulation, noise reduction, waterproof<br> Use range: sleep, rest, work, exercise<br> Efficacy: sound insulation, noise reduction, waterproof<br> Packing: plastic storage box + color box<br> Whether washable: washable<br> Earplug head shape: umbrella<br> Noise Reduction Rating (NRR):40%<br> Specifications:<br> 1. Environmentally friendly silica gel, washable, can be washed repeatedly after use, protect the health of the ear canal<br> 2. Immersive noise reduction earplugs, stop the hustle and bustle of quiet life has never been so simple<br> 3. sound insulation upgrade effective filtering of living noise innovative sound insulation core accurate isolation of all kinds of living noise<br> 4. Ergonomic design, comfortable to wear, fitting ear shape flexible tail precision fit ear ridge rolling does not fall off<br> 5. Transparent shell, compact and easy to carry transparent shell packaging out of easy to carry<br> Package Included:<br> 1 * Earplug Set<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store