Advanced Noise Reduction Technology: These ear plugs are crafted with superior noise cancelling capabilities, perfect for blocking out unwanted noise during sleep, work, or study Soft Silicone Material: Made from high-quality soft silicone, these earplugs maximum comfort, making them suitable for prolonged use without causing ear discomfort Versatile Use: Ideal for scenarios including sleeping, traveling, working in noisy environments, or studying in peace. They provide a quiet environment to enhance focus and relaxation Portable and Convenient: Comes with a compact carrying case, making it easy to take your earplugs wherever you go, ensuring you're never without a peaceful retreat from noise Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:Black Material:ABS+Silicone Package Contents: 1 * Sleep silicone earplugs kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.