Noise Reduction Earplugs: Earplugs for sleeping are made of soft nano-silicone material, which can reduce the pressure and noise of the ear. #39;ear to protect your hearing, help you sleep sounder at night. Shark fin design: The noise canceling earplugs are designed with shark fin according to the structure of the human cochlea, so that the noise reduction earplugs fit the shape of the earbud perfectly, ensure the wearing comfort and are perfect for the 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 damage. #39;ear from moisture, dust and debris, keeps your earplugs hygienic. Reusable and washable: The soft silicone earplugs 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, bathing, swimming, studying, traveling, concerts, flying, motorcycles, industry, tinnitus, shooting, mowing, etc. different occasions. Reduce noise, give you safe and comfortable hearing protection, relax and get the good night's sleep you need. Specification: Material: Nano Silico Gel Color: Black + Gray Size: 17mm*30mm Quantity: 2 pairs (1 black pair + 1 gray pair)