Sturdy ceramic mold with five spaces for adding designs to bottle rings. Each space has tiny grapevine and leaf designs. Mold measures about 6″ x 4″, and each donut cavity is about 2″ wide. Sized to fit donuts cut from bottle necks, but can be used with any fusible glass. Fused donuts are great for jewelry, chimes, Ships with instructions and firing schedule. Not for use in Quickfire or Microwave kilns.