Rainbow Pebbles are an assortment of colored fusible glass "pebbles" that have flat-bottoms and round tops. These fun little droplets make terrific design elements in fused glass and stained glass projects. As a member of the System 96® family these Pebbles are "Tested Compatible" and can be confidently used with all System 96 and COE 96 sheet glass. Each Pebble is approximately 1/2" in diameter and each 1/2 lb. package contains approximately 100 pieces.