A plastic, reusable ring sizer. Simply adjust to a comfortable size for your finger, making sure you can take it on and off comfortably too, and then read off the size that the arrow points to.
When purchasing this sizer, you will be given a one time discount code for £3 which can be used against the purchase of any ring from Silver Realm Jewellery. This means the ring sizer doesn't cost you a penny and it is yours to keep for future use.