This stacking ring is a simple yet beautiful jewel for your inner minimalist. It is a gentle and delicate piece, which you may wear alone or stacked. The ring is 1 mm thick. It's relatively sturdy for such a skinny band. Choose the material for the ring (sterling silver or 9k gold). You may order a ring of any size. If you are not sure about the size, this will be helpful: findmyringsize.com/ If you want to buy the ring as a gift and you don't know the precise size, you may also choose a standard size: Small (UK- M, USA - 6) Medium (UK - P, USA - 7,5) Large (UK - S, USA - 9). This is a custom-made item, so it will take up to 5 working days to ship it. You will receive it gift-wrapped for no additional charge.