The light passes beautifully through the glass because it's angled, not round. Hole: Approximately Φ3mm Each piece is made individually. Air bubbles may be present. Release agent may remain even after washing. Thank you for your understanding. Photographed in natural light. Colors may appear different depending on your device. 100 yen off for combined shipping with other items. The shipping method may be changed from Yu-Yu Mercari Bin to Raku-Raku Mercari Bin. You can search with #ShintonboTama.