GOOOO REBS!!! Whether you're at the grove, cheering on the rebs, in the gym, or out on the square, this ring is perfect for any true Ole Miss fan. Details Flip Rings are medical grade silicone, hypo-allergenic, ultra-comfortable, waterproof and won't rub off on your skin or clothes. Weight: Incredibly light Width: 6mm Thickness: 2mm Size Flip Rings are one size. They are designed to fit snug but will stretch and conform to your finger. Technically speaking they are a size 7 (17.2mm diameter) which is the average women's ring size in the U.S. Not sure what your ring size is - it doesn't matter. Wear them on any finger, thumb or even toes. It's all good.