Please note: Earplugs can only block harmful noises to protect your hearing, But cannot reduce all sounds to 0 dB. GUARANTEED SATISFACTION: Customer satisfaction is one of our top priorities that’s why our designers use the best possible tactics while manufacturing our noise cancelling earbuds for sleeping but if you feel any inconvenience for any reason feel free to contact us, to solve your problem, we will always go the extra mile. VERSATILE USAGE: Each of our pack includes 4 pairs multi color of sleep ear plugs carefully packaged in 100% brand new clear plastic box, so you can share them with your friends or family. Moreover, the waterproof design of these ear plugs makes them highly suitable for a number of occasions such as swimming, sleeping, snoring, bathing, travel, concerts and much more!. SUPERIOR QUALITY: In order to make our ear plugs noise cancelling as soft, smooth, waterproof, BPA-free and as skin friendly as possible we use only the finest quality silicone material, making each pair durable enough to endure the wear and tear of everyday use for up to 3 weeks without losing its functionality!. COMFORTABLE EXPERIENCE: Featuring an ultra-soft silicone material, our earplugs for sleep fit your ear naturally without causing any discomfort, use the stickiness to create a seal over your ear hole and stay in place, making you feel relaxed and comfortable all night long, no matter your sleeping position. BENEFITS IN FULL: Reduce loud noises effectively, sleep more soundly at night and protect your hearing from harmful noises with our noise cancelling ear plugs that are expertly crafted with a maximum noise reduction level of 32dB to help you say goodbye to the interference of noise in the most convenient manner.