Glass nuggets. The bottom is flat. Please refer to the photos for size and quantity. ⚠️This is a "defective item❗️" because the colors didn't come out well, so it's on sale. These are handmade by amateurs, so some are irregular. Please refrain from purchasing if you are looking for perfection. The color may appear different depending on the lighting and how the light hits it. Please understand. If you combine items, you will receive a 100 yen discount from the second item. Thank you. Fusing glass Glass nugget Glass cabochon Handmade Glass Accessory materials Stained glass 1200