• Made out of 925 sterling silver 18 gauge round wire (approx. 1 mm wide before texturing).•••••••••••••••••••••••••••••Choose your Texture:•••••••••••••••••••••••••••••• Smooth: untextured, round, mirror like finish. Most popular starter stack ring.• Cross Hammered: texture created with a sharp ended hammer, to create a bright and sparkly texture that reflects the most light.• Hammered: basic hammered texture with a subtle reflective luster.• Facet: wide hammered texture with unique skinny peaks and wide valleys around the ring. Reflective surface.• Twist (Pictured): created with two strands of wire twisted together, then flattened—most thick/bold of our dainty stack ring collection (2mm wide). Great as a standalone. •• Nickel free ••••••••••••SIZING:••••••••••• For your comfort we recommend going up 1/4 size if you are planning on wearing 5 or more rings on one finger. • These rings can be ordered in multiple sizes, if desired. Please choose 'US Mult Sz-Leave Note' in the size drop down box and specify your needed sizes and the quantity you'd like in each size in the 'Notes to hoopsbyhand' box during checkout.