The Enso Rings Pyramid Stackables Silcione Ring is the original stackable ring! The Pyramid Stackables started it all, and continues to be one of Enso's most popular stackable rings. Create your own stack of rings, combine the textures, and mingle the colors. Weave fashion around your finger with Enso's Stackables Collection. So many colors and so many options, they're perfect for any outfit and any occasion. Enso Stackables Series Silicone Rings are the perfect way to express your unique personality. The possibilities are endless! Engineered with Anti Ring Avulsion Technology to break away and protect your finger. Versatility is perfect for the gym, on the job, or outdoors. Hypoallergenic for the most sensitive of hands. Width: 2.5mm. Thickness: 1.8mm.