❈Materials:925 Sterling Silver/Zircon ❈Measurements: these are adjustable open rings,you can adjust it to your own size,or you can left your size in the note,we will adjust it for you. Princess ring: Original size : US 6/ Can be adjust from US Size 5.5-10 Knight ring: Original size : US 7.5/ Can be adjust from US Size 7-12 ❈Personalized:Please left the personalized information in the section,we will engrave it on the inside of the ring.If you want engrave different information on each ring,please left an note about details in your order.