Our samples come in four main sizes S, M, L, XL and are made using 6mm low iron glass. The samples are designed to demonstrate colour rendering on the back of the glass as close as possible as it would appear in your kitchen. Small samples are supplied non-toughened in a presentable packages designed by CreoGlass. Largest samples are supplied toughened with polished edges. For further details on colour rendering and product limitations please refer to our terms & conditions.