For restful sleep, relief from hyperacusis, and use on airplanes. Soft silicone, reusable hearing protection. Includes 6 ear tips (S, M, L sizes x 1 set each). Cost-effective as they are not disposable. For those suffering from sleep disorders, hyperacusis, or hearing impairments, and for those who have trouble sleeping soundly at night, these earplugs support comfortable, deep sleep. Do you ever find it difficult to concentrate because of noise, or to relax in a quiet place? We are surrounded by various sounds in our daily lives, making it challenging. Easy to wear when you want to concentrate, read, study, or are riding in a vehicle. *This is a new, no-brand import product from overseas. We inspect the product before shipping, but there may be small scratches, fraying, rough stitching, color unevenness, odors from packaging materials, paint peeling, size errors, lack of tags, etc. Please purchase only if you understand overseas products. *Returns and cancellations due to customer reasons such as different sizes or images are not accepted. *In the event of a defect, please contact us before leaving a review. We will respond sincerely. Please note that we cannot respond after a review has been submitted due to system limitations.