Brand: HUFFBIO Color: Light Green Size: Medium Quantity: 4 Shape: Individual 【Groundbreaking Noise Reduction Technology】 Huffbio foam earplugs have a high noise reduction rating of 36dB, easily blocking out all kinds of noise and providing comfortable hearing protection for extended periods. They are one of the most effective noise-canceling earplugs on the market. Their unique noise reduction technology allows you to cancel noise while still being able to hear important sounds like morning alarms and sirens. HUFFBIO foam earplugs use ultra-soft foam imported from Germany, with a high-density microporous design that fits snugly in the ear canal. 【Wide Range of Uses】 These foam earplugs are versatile and perfect for deep sleep, anti-snoring, studying, airplanes, work, concerts, mowing the lawn, motorcycles, and more. They are also ideal for night shift workers and those sensitive to noise. They are comfortable to wear while sleeping on your side, and the earplugs stay in your ear canal all night long, so you don't have to worry about losing them. 【Reusable and Economical】 Huffbio earplugs are reusable and durable. One pair of earplugs can be worn for 7 days without washing.