Product Details Adjustable opening can be overlaped, measures 2 9/32" diameter. Available in 925 Sterling Silver and 18k Gold Vermeil. Comes in a jewelry pouch with polishing cloth and gift box. Shipping & Returns In stock items will be shipped within 3 business days, out of stock items will be shipped within 6-8 week when the order is made. Free Shipping on all orders within the US over $200. 10 days return policy. Learn More. Explore the collection TEN CHI.