Skin has several important functions – it contains sense receptors, keeps a constant body temperature, stores fat, secretes chemical substances. It also protects body from external infl uences like harmful substances, microorganisms or UV radiation. All of these natural processes along with ageing have an impact on its appearance that is never homogeneous. We can observe scars, folds, burns, or damages caused by other animals. If leather is chosen carefully, it guarantees long durability, easy maintenance and a surface pleasant to touch.