3 sets!! Brand new, unused, and unopened. Product Details Features You can hold the handle to insert it into your ear, and it can be washed and reused, making it hygienic. The 3-stage flange shape fits the ear. Uses For general work, grinding work, and welding work. Product Specifications Specifications/Standards NRR value: 25dB Sound insulation performance based on ANSI S3.19-1974 3-stage flange shape Cord: Yes (640mm) Size: Free NRR value (dB): 25 Material Earplug body: Thermoplastic elastomer (TPR) Weight/Mass Unit 3.2g