Size: Number6: 52mm diameter, Number 7: 54mm diameter, Number 8: 57mm diameter, Number 9: 60mm diameter,
About color&size difference: According to the light and different computer monitor, the color may be slightly different as pictures. Besides, please allow 1-3cm measurement differ due to manual making. Your understanding and support are highly appreciated.
Email unzzyshop @gmaill.com if you have anything you do not know about the order