Those are plain practice skins, which come with great ductility and similar feel as human skin. By using this practice skin, rookies can learn techniques, get a better feel for what Itll be like to a person and build strong confidence. Veterans can also use practice skin to try out new techniques. You can also save your artwork as your progress or show the excellent examples of your art, to show off your different skills. Features - Color: Skin-color - Material: Rubber. - Size: About 19x14x0.2cm - You can use it for needles, kits, machines and other supplies. - Made from synthetic skin-like material and better skin touch feeling. - Allow plain surface for design and practice, practice different techniques, from outlining to shading for tattooing. - Flexible and has a similar feel as human skin, Thick enough for double sided usage. - Warm Tip: Dear buyer, due to lighting effect, monitors brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you