***When you purchase other products in the store (excluding the accessories series), you can exchange this product for only $1.99.Materila: K9-Glass Size:
Small: 25mm*25mm*15mm, suitable for 1.6"-diameter crystal ball.
Midium: 30mm*30mm*18mm, suitable for 2"-diameter crystal ball.
Large: 35mm*35mm*20mm, suitable for 2.4"-diameter crystal ball.
X-Large: 40mm*40mm*23mm, suitable for 3.1"-diameter crystal ball.
