Noise Reduction Earplugs Earplugs for sleeping are made of soft nano-silicone material, which can reduce ear pressure and noise to protect your hearing, help you sleep deeper at night. Shark fin design The noise canceling earplugs are designed with shark fins according to the structure of the human cochlea, so the noise reduction earplugs perfectly fit the shape of the earbud, ensure wearing comfort and perfect for side sleepers. Easy to carry Each set of earplugs comes with a storage box, convenient to carry and save anywhere, which protects the earplugs from moisture, dust and debris, keeps your earplugs hygienic. Reusable and washable The earplugs made of soft silicone are safe and reusable, washable and easy to clean. Black and gray colors can be better shared with family or friends to meet the needs of more people. Application These multi-purpose earplugs are perfect for sleeping, snoring, sleeping, bathing, swimming, studying, traveling, concerts, flying, motorbikes, industry, tinnitus, shooting, mowing, etc. different occasions. Reduce noise, provide safe and comfortable hearing protection, relax and get the good night's sleep you need. Specification: Material: Nano Silico Gel Color: Black + Grey Size: 17mm*30mm Quantity: 2 pairs (1 black pair + 1 gray pair)