The Enso Rings Hammered Stackables Series Silicone Ring is perfect for rooting for your favorite sports team or simply wearing a crazy cool style to mix and match. Create your own stack of rings, combine the textures, and mingle the colors. Weave fashion around your finger with Enso's Stackables Collection. The chiseled Hammered design is available in the widest size range yet: 3-14. So get a stack for your kids, your spouse, your teammate, your co-worker... you get the idea. Guys and gals alike, get stackin! Engineered with Anti Ring Avulsion Technology to break away and protect your finge. Versatility is perfect for the gym, on the job, or outdoors. Hypoallergenic for the most sensitive of hands. Sizes 3-9 have a width of 2.7mm and thickness of 1.8mm. Sizes 10-14 have a width of 3.3mm and thickness of 1.8mm.