PERFECT NOISE REDUCTION - Provide Max Noise Reduction For The Peace, Quiet, and Sleep You Deserve! Perfect For Sleeping, Snoring, Shooting, Work, Construction, Hunting, Concerts, And All Other Loud Activities. Length: Approx. 25 inches. NRR 25DB WASHABLE AND REUSABLE - Earplugs can be washed with basic soap and warm water and reused multiple times, anywhere from 2 months up to a year. INDIVIDUALLY WRAPPED - Each pair is sealed in its own plastic bag for good sanitation. They are easy to keep at work, in the car, purse, and backpack without getting dirty. REMOVABLE FABRIC CORD - Remove the string before sleeping with them and insert it back before going to work. Fabric cord ensures they do not stick to your skin or hair while you move around. EASY TO USE - these earplugs are easier to insert and remove than the typical foam ones, and they stay in place more consistently.