Honeywell Airsoft Flanged Reusable Earplugs with Red Polycord & Reusable Case - Blue/Red - 50 Pairs/Pack

AirSoft Multiple-Use Earplugs have an advanced air pocket design that's optimized for comfort. The thin 4-flange design lets these plugs fit most people. They are reusable and inexpensive industrial general noise protection ear plugs with a NRR 27 rating.