This leather repair kit is suitable for both plain and structured leather, for upholstery on cars or furniture and also leather jackets and other clothing that have light scratches, scuff marks, cracked leather or colour damage. COLOURLOCK Fluid Leather is a coloured filler for deeper scratches and gives a better finish as opposed to normal white fillers. The COLOURLOCK Leather Glue and Backlining Cloth (included) are extremely useful for repairing tears and or rips. Full instructions on how to repair rips, tears scratches, scuffs and colour damage can be found below. Important: Apply the COLOURLOCK Leather Protector a few hours after completing the cleaning, repairing and colouring the leather. Always test all products first on a concealed spot to observe changes and the Leather Fresh for accuracy of colour.