Eco-friendly earplugs with a high sound insulation effect of approximately 55dB. - Model Name: Quiet Ear Plus - Sound Insulation: Approximately 55dB - Color: Black - Features: Uses eco-friendly materials - Uses: For sleep and concentration 【Comfortable Silicone Fit and Excellent Noise Reduction Assistant】 Made of soft-touch silicone material, the biggest feature is that it "can be adjusted to fit your own ears." 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, dedicated case for easy 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 bullet trains or airplanes. It quickly blocks out external noise, allowing you to enjoy a quiet atmosphere without being disturbed by the outside world. 【Soft, Comfortable & Reusable】 Perfect for events. The fit can be adjusted with the improved four sizes of ear tips, perfectly fitting even small ears. Four sizes, XS, S, M, and L, are included, allowing you to 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, the entire body can be washed with water to keep it clean at all times. It is durable, reusable, and easy to care for, making it long-lasting.