SAFE REUSABLE: Jayine earplugs for sleep are made of high-quality silicone and ABS, non-toxic and odourless, healthy and environmentally friendly. Both the outer ring and eartips are removable, easy to clean and durable. Earplugs are great for sleeping, studying, working, commuting, travelling, cafes, etc., providing silence whenever needed. EFFECTIVE NOISE REDUCTION: The sleeping ear plugs have a noise reduction rating (SNR) of 30dB, which effectively reduces the interference of ambient noise, allowing you to enjoy your time and space. They do not prevent normal communication with people around you. (Note: provides hearing protection, not 100% silence) STYLISH COMFORT: Black ear plugs for sleeping offer a classic and versatile design. In addition to hearing protection, they provide a sleek, comfortable fit. EASY TO USE: Unlike foam earplugs, these silicone ear plugs require no squeezing or waiting. Simply insert them gently into your ears and rotate to adjust to the perfect angle. Soft and skin-friendly, they remain comfortable during extended use. Designed to be waterproof for wider usability. TAKE IT WITH YOU: These noise-reducing ear plugs come with a small, lightweight storage case that easily fits in your pocket, bag, luggage, or attaches to a keychain, making them highly portable. A practical gift option for family, loved ones, and friends.