There are 4 types of ironing paste: Yellow iron Green iron Red iron White iron The yellow ironing pasta is a fat pasta that cares and protects the leather of the ironing strap. This means that the strings lasts longer. The green ironing paste has a strong polishing effect and is applied to the leather of the Span belt. The red ironing paste has a medium polishing effect and is applied to the leather of the tension strap. The white ironing paste is for the maintenance of the canvas side of the ironing strap. This cleans the canvas side again and lasts longer.