These earplugs can be used by a wide range of people, from children to adults. The interchangeable tips come in three different sizes, allowing you to choose the perfect fit. Made of soft silicone material, they are comfortable to wear and won't hurt your ears. They are excellent for sleeping without any discomfort even while wearing them. The loop shape fits easily in the ear and is less likely to fall out. They reduce surrounding noise, making them recommended for those who want to take a nap during travel on night buses, bullet trains, airplanes, or cars. [Set Contents] Earplugs x 1 set, Replacement caps x 3 sizes, Storage case x 1 [Size (approx.)] Case: 55mm x 40mm x 20mm, S: 11mm x 9mm, M: 12mm x 9mm, L: 13mm x 9mm [Color] Black [Material] Silicone Earplugs, airplane, bullet train, night bus, nap, noise reduction, won't hurt ears, silicone, 3-size set, loop shape KK11①-57 1330 * Although no noticeable stains were found on the product, there may be oversights! * Please check the images for any stains, dents, or tears on the box. * When shipping, items other than fragile items will be sent in a simple package in a bag. * Please let us know before you rate the product if there are any operational issues. #Nagisa's Bargain Sale