Thank you for viewing the 20 pieces of Kinari Glass, approximately 1.2-1.39cm. These are Kinari glass nuggets. The diameter is approximately 1.2-1.39cm, 20 pieces. Some pieces have small air bubbles inside. Please refrain from purchasing if you are concerned about this. If you would like to purchase multiple sets, please let me know in advance. We can offer a discount and combine them for re-listing depending on the quantity.