Product description: Earplugs are sealed with soft, slowly recovering foam to reduce noise and reliably protect hearing< br> The conical earplugs are easy to roll down and insert, and then unfold inside the ear canal for comfortable and secure wear< br> Earplugs are placed in polyethylene plastic bags to maintain cleanliness before use. The regular size yellow neon earplugs are suitable for most ear canals< br> The large size is very suitable for people with larger ear canals. Recommended applications include assembly and machinery, chipping, chiseling, cleaning, drilling, furnace operation, grinding, heavy equipment operation, mechanical processing, metal repair, painting, pouring/casting, power fastening, riveting, grinding, sawing, and welding< br> These earplugs are typically used in the following industries: agriculture, automotive, chemical, construction, general manufacturing, healthcare, oil and gas, and pharmaceuticals. Colors: blue, gray, yellow, red (optional) Package includes: 50 * bags in blue Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding< br> 2. Colors may vary depending on the monitor, please understand< br> Attention: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.