Our extra deep bezel rings are 7mm thick for layering charms, glitter and your favorite inclusions with resin. We recommend working in layers, especially if working with UV resin. Each band is adjustable to comfortably fit size 3 up to size 9. Look for our matching deep bezel rings, necklaces and charm bracelets too! Heart dimensions: 16mm x 15mm x 7mm Our bezel rings are ready to be merchandised in a dish or other container.