55g box. Tintex COLOUR REMOVER is used before dyeing to achieve the best results by improving the absorption of our dyes.Use before dyeing a dark article a lighter colour. Lightening fabric before dyeing helps create a blank slate for your next DIY project. Lighten fabric to get to a cream, warm white, off-white or ivory colour. When you start with a lighter base your final dyeing result may be closer to box colour.