Effective Noise Reduction: High-quality silicone plugs that actively reduce unwanted noise, providing peace in noisy environments such as concerts or urban areas. They have a noise reduction rating (SNR) of 18 decibels. Versatile Use: Ideal for sleeping, traveling, studying, or for those sensitive to loud sounds. Reusable and Washable: Made with durable and washable materials that maintain their shape and insulation properties after multiple uses. Personalization and Comfort: Complete kit with 4 sizes of ear tips (XS/S/M/L) to ensure a perfect and comfortable fit for all types of ears. Includes: 1 pair of plugs, 4 sizes of soft silicone ear tips (XS-L), and 2 rings in different colors. Measurements: Width 7.9 cm, Height 2.24 cm, Length 7.48 cm.