Printed color charts never precisely duplicate the effects you will achieve using our enamel products. This is particularly tru for transparents where background color and thickness of application strongly influence final results. In order to help you select the color you really want. Each packet is approximately a teaspoon per sample color. Quantity may vary. SAMP-F: Is a complete High Temperature – Medium Expansion Enamels in 80 Mesh, Small (0.5-1.4mm), Medium (0.9-3.4MM), or Large (2.4-4.8MM) (*Specify at checkout mesh size) (43 colors, 7000 & 8000 series) for Stained Glass & Hot Glass Blowing. Normal firing temperature range: 1400-1550°F. Coefficient of expansion: 90 linear expansion. Compatable with Bullseye and Spectrum Glass. Reference color chart on Home page for High Temperature – Medium Expansion Enamels.