Put some colorful style in your hearing protection with Goin' Green Earplugs. The Moldex Goin' Green Earplugs feature a bright green swirled color for winning compliance, and when it comes to comfort, nothing beats them! They're made of extra soft, low pressure foam that provides a very comfortable fit. They have the highest independently tested NRR at 33 dB. 200 pair per box. All Ear Protection sold has an NRR (Noise Reduction Rating).