Size: Number5: 51mm diameter,Number6: 52mm diameter, Number 7: 54mm 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