Although it is new and unused, it has been opened once. 【Upgraded Soundproofing】These foam earplugs are made of high-quality polyurethane foam and have a noise reduction rating of NRR33dB, providing high sound insulation and blocking out most noise. They can help with restful sleep and stress relief, and provide comfortable hearing protection for a long period of time. Note: While not completely soundproof, you can still hear necessary sounds such as alarms, calls, and warnings, so you can use them with peace of mind. 【Stylish Design】The earplugs are made of silicone material. They are gentle on the skin and do not attract dust or bacteria. The earplugs are also waterproof and can be reused by washing them after use. No charging or batteries are required, making them energy-saving and environmentally friendly. 【Perfect Fit】The four types of ear tips fit almost all types of ears. They are ergonomically designed and can be easily inserted by simply pulling on the ear. They do not cause discomfort or damage to the ears even when worn for long periods of time. They fit snugly in the ear canal to prevent them from falling out. 【Portable & Wide Range of Uses】Weighing 20g, they come with a storage case, making them convenient to store and carry! 【2024 New Release】Skyvov Earplugs, Complete Soundproofing, Sleep Aid, Good Sleep, Noise Reduction, Noise Canceling, Relaxation, Hearing Protection, 33db Reduction, Airplane, Reading Books, Studying, Snoring Block, Travel, Live Music, Work, Silicone, Washable, with Storage Pouch (L, M, S, XS sizes, 1 set each) no,7-592