Set Contents: Earplugs x 1 set, Replacement caps x 3 sizes, Storage case x 1 Size (approx.): Case: 55mm x 40mm x 20mm, Color: Black Material: Silicone Images 1-4 are reference images. Please refer to the actual product photo on image 5. The loop shape fits easily in the ear, making it less likely to fall out. This item is recommended for those who want to take a nap during travel, such as on night buses, bullet trains, airplanes, or cars, as it reduces surrounding noise. Thank you for viewing! Instant purchase OK!! We are committed to shipping quickly. We have various other items for sale, so please take a look. #na goods 33.49