Dimensions: 1mm thick. CZ stone is 3mm. Available in three sizes: US 4.5, US 5, US 6 These rings are made with sterling silver and they are hypoallergenic. Production Method: Small Batch lost wax casting. ------------------------------------------------------- ♥ Packaging: All our jewellery comes with our branded velvet bag so your item is ready to be gifted. ♥ To read more about our production process visit our blog: https://www.silverrainsilver.com/blogs/production-methods/production-method-1-lost-wax-casting ♥Instagram: silver_rain_uk