Handmade Ceramic Guitar Pick with Recycled Glass -Green/Opal Size: About 1 3/8 X 1 1/8 Made of dark stoneware clay and glazed half in green and half in opal with a piece of recycled glass fired on to make the design element. The back is glazed on the tip only. The exposed clay makes for easy gripping. Can be washed with soapy water. May not be suitable for young children.