Thank you for viewing. 【Ergonomic Design, Fits the Ears】 The arc shape conforms to the shape of the ear canal, so there is no pressure even when sleeping on your side, and it won't fall out even when worn during sleep. These sleep earplugs are designed to distinguish between the left and right ears (L/R), making them easy to put on by gently pulling up the ear and inserting the earplug into the ear canal. Comes with redesigned ear tips in four sizes (XS, S, M, L), providing excellent sealing for all ear sizes and ensuring a secure fit. 【Soundproofing is Paramount】 Made of soft silicone, with an SNR value of 50dB, it has high soundproofing performance. 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. These high-performance earplugs not only reduce sound to the optimal volume for sleep, but also help you concentrate while studying or working. 【Safe and Clean Earplugs】 Because these earplugs come into contact with the skin, the entire body can be washed with water, keeping them clean 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 portability for travel and 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. Thank you for your consideration.