Durable and comfortable hearing protection: 3M earplugs provide effective and comfortable sound insulation during power tool work in the workplace for a noise level of up to 105 dB All-day comfort: the soft, hypoallergenic foam slowly returns to shape and is easy to squeeze. Thanks to body temperature, the earmuffs become even more flexible The noise-canceling earplugs are made of very light polyurethane foam (13 g) and have a smooth, wear-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 fits most ear canals / Compatible with all 3M protective glasses and respiratory protection devices Scope of delivery: 1 x 30 pairs of hearing protection plugs 1100C30 105 dB / comfortable hearing protection for noise reduction of up to 37 dB / in a large, practical package Note: This does not include other things , the color is based on the first picture and other pictures only show the effect Due to differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!