These Mardi Gras Jars contain 4 oz. of dichroic glass in various sizes! COE 96. These Jars are perfect for creating fused glass jewelry. All peices are thin glass and have the Mardi Gras finish. Mardi Gras Jars are available in Dichroic Black or Dichroic Clear. Jars sizes are 3.5" dia. x 2" tall.