1Premium Noise Cancelling: Sound insulation reduces about 36dB noise, will protect sensitive ears from most sounds, block out snoring, airplane, motorcycle and industrial noise, go to bed with no snore, dog, or loud sound. 2Washable and Reusable: Ear plugs for sleeping is made with soft silicone that is easy to clean with soap and water and shape for maximum comfort in many uses. 3Natural Sound Blocker: Soft silicone earplugs help you sleep through the night, swim, study, travel, and work in quiet, convenient for adults or children to use. 4Noise Reduction: Professional sound insulation, intelligent noise reduction, let the ear more clean and comfortable. 5Jellyfish Shape Design: Thickened sound insulation, jellyfish shape design, strong noise reduction, long wear without pain.