Brief Description: Earplugs, complete sound insulation, Ewbob earplugs for sleep, 55dB noise reduction, noise-canceling earphones, for work/study/live/travel/in-flight, only snoring is not heard, with storage pouch, hearing protection, ear tips made of silicone, washable, reusable, unisex (4 sizes S/M/L/XL) *I also use it personally. Detailed Description: 【Sound Insulation is Most Important】Made of soft silicone, it has high soundproofing performance, reaching an SNR value of 55dB. It blocks out most noise, allowing you to immerse yourself in a quiet atmosphere wherever you are. Improves sleep quality and concentration, and protects hearing. High-performance earplugs not only reduce sound to the optimal volume as sleep earplugs, but also help you concentrate while studying or working. 【Ergonomic Design, Fits the Ear】The arc fits the shape of the ear canal, and it won't fall out even when worn during sleep, and there is no pressure even when sleeping on your side. No worries about losing them. Distinguish between the left and right ears (L/R) of the sleep earplugs, gently pull up the ear, and simply insert the earplugs into the ear canal for easy wearing. Comes with redesigned ear tips in 4 sizes (S, M, L, XL), providing excellent sealing for all ear sizes and ensuring a secure fit. 【With Storage Case & Convenient to Carry】To protect the earplugs from dust and moisture. Comes with an earplug storage box, making it convenient to carry and eliminating the worry of loss. Suitable for deep sleep, snoring prevention, studying, airplanes, work, public transportation, etc. Quickly blocks out external noise, allowing you to enjoy a quiet atmosphere without being disturbed by the outside world. 【Safe and Clean Earplugs】Because they are earplugs that come into contact with the skin, the entire body can be washed with water for use in a clean state at all times. Moreover, they can be used repeatedly, making them environmentally friendly and easy on the wallet. Comes with a dedicated case for clean storage and carrying when traveling or on business trips.