The Moldex 6490 Comets are made with a tripe flange design which allows a flexible fit for most ear canals. Designed with an air cushioned tip and extra soft material, making these earplugs comfortable to wear all day long. The finger pocket at the ends of the earplugs make fitting these earplugs a breeze. The special bright green color is highly visible for easy safety compliance checks. Ideal for a majority of noisy settings with NRR 25.