These are large beads, approximately 17mm in size. Even at this size, they have excellent transparency and a sparkling, crackling cat's eye effect! Offered at a special price! Get 50 yen off for every two items purchased, so please take advantage of this deal! To avoid any issues: As these are natural stones, there may be natural cracks, scratches, chips, and inclusions. ◡̈⃝︎⋆︎* There may be a margin of error of approximately ±0.5mm, so the size is listed as approximately ○mm. They are not perfect like artificial glass. Please understand this before purchasing. ◡̈⃝︎⋆︎*