A concave surface sits atop this ring that is super smooth to the touch. 14K gold ion-plated brassfinish: high polish product measurements ring height: 0.12" / 0.3cmring width: 0.91" / 2.3cmring length: 0.59" / 1.5cmring weight: 0.30oz / 8.35g (based on size 6, will vary slightly per size)