Genuine, brand new, unopened product. You can choose 6 pieces from the following types: Red: 6mm, 9mm, 12mm, 18mm, 24mm (Multiple of each size available) Green: 6mm, 9mm, 18mm, 24mm (Multiple of each size available) Yellow: 6mm, 9mm (Multiple of each size available) - No outer box White: 6mm (1 remaining) Please let me know your desired color, size, and quantity in the comments. * Please understand that this item is stored at home. * The shipping method may be changed from Yu-Yu Mercari Bin to Raku-Raku Mercari Bin. * Please note that the box may be crushed during shipping.