?Enjoy The Comfort Of Different Sizes?: The ear plugs are designed in four sizes (one of which is a polyurethane sleeping earplugs), large and small, to ensure maximum comfort and suitable for all people with different ear canal sizes.The hustle and bustle of life is gradually gone,and enjoy the long-lost comfortable sleep.The sleeping ear plugs are suitable for sleep, work, concerts, swimming, travel, study, etc. ?Not Easy To Fall Off?: The lightweight and soft silicone ear plugs are ergonomically designed around the shape of the human ear with a right-sized center to fit the shape of the pinna, breathable and comfortable, and stable to wear, even if you lie on your side or turn over, The sleeping ear plugs not easy to slip off. ?Fit the Trend Design?:The ear plugs for sleep combine the design concept of beauty and practicality, consisting of 2-in-1 gradient colors, and the shape of the earplugs fits the ear canal 360 degrees.wearing for a long time without pain,and the ear plugs sleeping is comfortable to wear while effectively attenuating the impact of sound waves on the eardrum. ?Food Grade Silicone Material?:The earplugs are made of environmentally friendly materials, which do not stick to dust and have a delicate touch,with good elasticity and memory function, and the ear plugs for sleeping noise cancelling can be pulled at will without deformation, can be washed repeatedly, healthy and hygienic,providing superior ear protection for those with sensitive hearing. ?Effective Noise Reduction?:The ear plugs noise reduction rating (NRR) of 25decibels (Included urethane earplugs provide up to 33 decibels of noise reduction),soften the sound source and reduce noise while preserving the sound clarity and sharpness,the ear plugs for sleeping help preserve your hearing and provide you with some peace in a noisy world.