1 ounce. This is a very sparkley aventurine luster frit, about 2mm chips. Emerald Green Luster frit. They melt when applied to glass and heated, and won't burn with normal flame like most lusters.You can either use it as a frit, or combine it with various colored rods and make sparkley stringers. Mixes well with COE 104.  Also available in cobalt blue and gold. Also available in a glass powder that melts. Check our listings. 14 day money back return policy. Happy bidding.