【Supervised by a Sleep Expert】 Earplugs for Sleep: Noise Cancelling Completely Soundproof Earplugs Only Snoring Sounds Pass Through Noise Reduction for Snoring Noise Reduction: 55dB For Work/Study/Live Music/Travel/Airplane Use Anti-Snoring Earplugs Hearing Protection Made of Silicone Washable Includes Storage Pouch Unisex (XS/S/M/L) I purchased these for my family from Amazon last month, but they prefer a different design, so I am selling them. They have been opened, but have never been used.