Noise-canceling earplugs that reduce surrounding noise, a comfortable sleep aid with a set of 3 sizes. - Color: Black - Case Color: White - Sizes: Earplug diameter approx. 16mm, approx. 20mm, approx. 13mm - Function: Noise-canceling - Quantity: Set of 3 sizes These earplugs can be used by a wide range of people, from children to adults. Three different sizes of replacement tips are provided. You can choose the perfect size for you. Made of soft silicone material, they are gentle on the ears and provide a comfortable fit. They are excellent for sleeping without any discomfort even while wearing the earplugs. The loop shape that fits easily in the ear is also a key feature, making them less likely to fall out. They reduce surrounding noise, making them recommended for those who want to take a nap while traveling on night buses, bullet trains, airplanes, cars, etc. [Set Contents] Earplugs x 1 set, Replacement tips x 3 sizes, Storage case x 1 [Size (approx.)] Case: 55mm x 40mm x 20mm S [Color] Black [Material] Silicone Thank you for viewing. 30-57 16