The Flents Quiet Contour ear plugs offer hearing protection from construction heavy machinery hand tools music and other loud environments. Also great for creating silence when focus or concentration is needed. CONTOUR SHAPE & COMFORTABLE FIT - The ear plugs are made of a soft foam that sits comfortably in the ear. Ear plug foam compresses quickly for easy insertion. Specialized contour shape creates a snug and comfortable fit in your ear 20 PACK - Product comes in a convenient pack of 10 pair NOISE REDUCTION RATING - Ear plugs rated for 33 decibels SAFE TO USE - Product is safe to use and designed to keep your inner ear safe when inserted