Our Leather Repair Glue contains polyurethane, amino protein. It can effectively repair automotive leather, repair leather scratches, cracks, and make the leather look new. Its use method is very simple: first apply glue to the leather, fit the leather surface, and wait 24 hours. Can easily solve a variety of leather cracking problems, a wide range of uses, can be applied to a variety of leather, including sofa, belt, leather shoes, leather clothing and so on.