High-quality material: Reusable flexible silicone ear protector made of soft silicone, with good elasticity and comfort. It fits comfortably to the ears and does not easily cause discomfort, allowing you to feel comfortable even when wearing it for a long time. Product information: You will receive 1 pair of earplugs and two pairs of replacement soft silicone earplugs. The earplugs in the box already contain a pair of M size soft silicone earplugs. The sizes of the other two pairs of soft silicone earplugs are S/L respectively, so you will receive a total of 3 sizes of soft silicone earplugs, different sizes are available, so you can always find the earplugs that fit perfectly Noise reduction effect: Noise reduction earplugs) have excellent noise reduction performance and can effectively isolate external noise interference. It can reduce the noise level by up to 25-28 decibels, allowing you to enjoy a peaceful sleep even in noisy environments. Portable and Reusable: Silicone Earplugs for Sleeping adopt reusable design. The soft silicone material is easy to clean and maintain. Just rinse with water to keep it clean and hygienic. And these earplugs are small, lightweight and easy to carry. It is equipped with a delicate storage box to put it in your pocket or bag anytime and anywhere. Wide Usage: Earplug for sleeping and noise sensitivity is widely used and is a multifunctional earplug that can well protect your ears from loud noise and background noise. Ideal for sleeping, they can also be used during study, work, concerts or travel to help you isolate outside noise and concentrate.