【Overlay Glass - Material】Set of 2 Glasses! Thank you for viewing. These are overlay glasses, suitable for Edo Kiriko and sandblasting. Outer: Purple, Pink, White Inner: Blue (top), Green (bottom) Diameter: Approximately 6.5 cm Height: Approximately 6 cm These are leftovers purchased several years ago for sandblasting. We hope you can use them for sandblasting practice or creating artwork. Please understand that air bubbles are a characteristic of the glass. Shipping method will be either Yu-Yu or Raku-Raku.