Includes a mix of transparent and opaque colors in a variety of sizes. Each package has one each of F00 to F4. Prepackaged - all 6 colors are identified by number to make re-ordering easy. A great way for beginners to get a sample of the different frit sizes. Colors and sizes will vary. Priced per kilo, each package weighs approx 1 kilo. INDIVIDUAL COLORS MAY NOT BE CHOSEN.