These Air-Tite holders have a loop attached to the top for hanging. The velour rings in these Air-Tite holders are produced from double sided velour board material. The center hole is sized at 39mm to hold most common silver and copper one ounce rounds or similar size coins. The combination of a decorative silver or copper round and these Air-Tite holders will colorful velour rings makes for a nice ornament.. We offer these holders in two ring colors