Description: Characteristics: Noise call level up to -40dB, effectively filter noise and reduce sound damage to hearing. The earplugs are easy to roll up for quick and easy fitting. The tapered design fits comfortably over the ear canals. Skin-friendly silicone material, non-toxic and harmless, safe to use. Effectively reduce the pressure on the ear canal, suitable for a variety of different ear canal shapes, wear for a long time without causing hearing discomfort. Isolate the noise around you and create a good sleeping environment. Focus on your job and improve your work productivity. Wear noise canceling earplugs when traveling to save energy and provide you with a quiet and comfortable travel experience. Specifications: Name: Earplug Brand: Bluedio Model: NE White colour Material: Silicone Ear plug size: 2.45 * 1.9 * 1.6cm /0.96*0.75 * 0.63in Storage Case size: 4.5 * 2.3 * 2.2cm /1.77*0.91 * 0.87in Package Included: 1 * pair of ear plugs 1 * Storage Case