Noise Canceling Earphones for Work/Study/Live/Travel/Airplane Use, Only Snoring Not Heard, with Storage Pouch, Hearing Protection, Silicone Ear Tips, Washable, Reusable, Unisex (4 Sizes S/M/L/XL) Ergonomic Design, Fits the Ear】The arc conforms to the shape of the ear canal, so 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. 【Soundproofing is the 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 the sound to the optimal volume as sleep earplugs, but also help you concentrate on studying and working. 【Safe and Clean Earplugs】Because the earplugs come into contact with the skin, the main body can be washed with water, so you can always use them in a clean state. Moreover, they can be used repeatedly, which is friendly to the environment and your wallet. Comes with a dedicated case for clean storage and carrying when traveling or on business trips. 【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.