The Fourth Generation Combat Arms Ear Plugs from 3M are a single-ended, combat-ready ear plug which were designed to allow wearers to hear low-level sounds when in the open/weapons fire mode whilst also offering the option of constant protection in the closed mode.
Material: Rubber Highest NRR level of any other push-in earplug Superior comfort and easy fitting with a no roll convenience Good Quality Exceptional comfort and a secure fit All night relief from noise.
Gently removes 15 years of stains in just 2 weeks.Enamel Safe & EffectiveSpecially formulated for teeth sensitive to whiteningAccepted by the American Dental AssociationUses the same whitening ingredient as dentists.