With Hybrid Dual Metallic you can write in two different shades on dark or light coloured paper using the same pen. Turn your page to the light and you'll see the full iridescent effects of these fantastic new pens.Innovative new gel rollerProduces two tones - one shade on light coloured paper and a variation on dark paperEight colours = 16 shades! Plus! Gorgeous sparkling effects on all paper1.0mm tip writes smoothly and evenlyAttractive sparkly barrel and two-tone capPerfect for cards decorations pictures drawings and designs