Convenient personal supply of earplugsIdeal for storage in toolboxes and lockersPerfect for workers in remote locationsEasily control earplug consumption by distributing or vending earplug canisters at regular intervals based on level of usageMade of extra-soft, extra light foamThe tapered shape fits easily into the ear canal, allowing the earplugs to seal gently and snugly with minimal pressure.The outer surface is smooth so it does not irritate the ear canal