Gentle and Smooth Bell-Shaped Disposable Foam Earplugs offer easy roll-down insertion and expansion in the ear canal, delivering reliable and comfortable hearing protection. Each pair of uncorded earplugs is individually packaged in a poly bag to ensure cleanliness before use. Designed specifically for smaller ear canals, these earplugs provide an impressive Noise Reduction Rating (NRR) of 28 dB and are classified as CSA Class AL. They are also compatible with the 3M E-A-Rfit Validation System for convenient testing. These earplugs are yellow in color and come in a pack of 200.