Glass Ring by Mago Hart Transparent highly resistant borosilicate glass, with double 100% steel piercing. * Jewellery is highly resistant for day-to-day wear, although wearing with care is recommended. 14 day free repair guarantee after purchase. SPLITS / 51,5mm circumference As the ring is made from glass, the finger adapts to the material and size. Size conversion below: Size MM US + Canada UK + AUS S 50-52 5.25 to 6 K to M M 52.5-54.5 6.25 to 6.75 M 1/4 to N 3/4 L 55-58 7 to 8.25 O to R SPLIT This item is in stock and will be shipped from Spain within 1-2 weeks. * Free shipping