Thank you for viewing! Instant purchase OK, brand new and unused! Earplugs made of eco-friendly material with a high sound insulation effect of approximately 55dB. - Model Name: Quiet Ear Plus - Sound Insulation Effect: Approximately 55dB - Color: Black - Features: Uses eco-friendly material - Uses: For sleep and concentration 【Comfortable silicone fit and excellent noise reduction assistant】 The soft silicone material allows you to "fit your own ears," which is its greatest feature. It provides optimal noise reduction while ensuring all-day comfort. 【Lightweight design and dedicated case for portability】 Weighing only 4g, it comes with a simple design dedicated case for convenient carrying. The palm-sized compact design means you won't have trouble finding a place to store it when traveling or on business trips. Also, with a strap, it can be hung inconspicuously, making it easy to take out on public transportation such as the Shinkansen or airplanes. It quickly blocks out outside noise, allowing you to enjoy a quiet atmosphere without being disturbed by the outside world. 【Soft, comfortable & reusable】 Perfect for events. The improved four sizes of ear tips allow you to adjust the fit, perfectly fitting even small ears. Four sizes, XS, S, M, and L, are included, so you can choose the best one for your ear shape and size. By improving the fit, the sound insulation is further enhanced. The soft silicone material is antibacterial, and because it's an earplug that touches your skin, you can wash the entire body with water and always use it in a clean state. It is highly durable, reusable, and easy to care for and long-lasting.