The 3M 90581H200 Tekk Self Adjusting Earplugs are disposable earplugs designed for adults to protect their ears from loud noises. With a noise reduction rating of 29 dB, these orange earplugs are perfect for use in workshops, gardens, and other noisy environments. The earplugs come in a pack of 10 pairs and are model number 90579-00000T.