Honeywell Max Uncorded Ear Plugs Red Pack 200'sHoneywell Max Uncorded Ear Plugs Red Pack 200's Honeywell Max Uncorded Ear Plugs MAX (NRR 33) pre shaped foam earplugs feature a smooth outer skin for maximum user comfort. The NRR 33 rating makes the MAX the highest rated disposable earplug in the U. S. The smooth, soil resistant skin helps prevent dirt from penetrating the surface prior to insertion. Conforms to EN352 2 Coral color Packed in poly bagsRating: SNR 37