Thank you for viewing! This is a Ko-ken Type 15 earplug for helmet mounting (unused, unopened). 【Product Overview】 ・Earplug Type: Ko-ken Type 15 ・Includes a holder that can be attached to helmets, etc. ・Ideal for industrial work sites, etc. ・Structure prevents earplugs from getting dirty during storage. ・Individually packaged, unused. 【Notes】 ・Please check the photos for compatible models and suitability. ・There are some minor scratches on the package (unopened). 【Shipping】 ・Shipped via Yu-packet Post or Nekopos. Instant purchase is OK! If you wish to purchase multiple items, please let me know in the comments.