Workers who need to block out loud noise demand the best protection and comfort available in an earplug That’s where MAX comes in The world’s most popular polyurethane foam earplug, MAX offers superior noiseblocking performance in a singleuse disposable earplug MAX’s enhanced contoured shape is easier to insert and resists backing out of the ear canal, while its softer foam delivers superior longwearing comfortdelivering solid performance that your workers can depend on 500 pairs per dispenser THIS IS A BULK REFILL FOR THE LEIGHT SOURCE 500 EARPLUG DISPENSER