These are glass nuggets. The bottom is flat. Please refer to the photos for size and quantity. ⚠️These are 【clearance items】 and are therefore offered at a reduced price. As these are handmade by amateurs, some may be 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 them. Please understand. If you purchase multiple items, we will deduct 100 yen from the second item onwards. Thank you. Fusing glass Glass nugget Glass cabochon Handmade Glass Accessory materials Stained glass 870