Durable and comfortable hearing protection: 3M earplugs provide effective and comfortable sound insulation when working with power tools in the workplace – for a noise level of up to 105 dB All-Day Comfort: Soft, hypoallergenic foam slowly recovers and squeezes easily. Thanks to body temperature, the earmuffs become even softer The noise-canceling earplugs are made of very light polyurethane foam (13 g) and have a smooth, tear-resistant surface. dirt - Hygienic, durable and comfortable hearing protection Easy to use: thanks to its tapered shape, the in-ear hearing protection is easy to insert and adapts to most ear canals / Compatible with all 3M protective goggles and breathing apparatus Scope of delivery: 1 x 30 pairs of 1100C30 105dB hearing protection plugs / comfortable hearing protection for noise reduction up to 37dB / in a convenient large package Note: it does not include other things , the color is based on the first picture and other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you! Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.