These tattoo caps are made from natural wheat straw fiber and PP material, compared to plastic tattoo ink caps, those eco tattoo caps is safer for people and the environment. At present, plastic pollution is ubiquitous, when they enter the seawater to form garbage, it will continue to endanger the marine ecology. These are not only tattoo ink caps, also can be as the drawing ink cups, very interesting.Each set contains tattoo paint cups of the folloing sizes, 10mm Small , 12mm Medium, 15mm Large . Tattoo ink caps mixed size combinations, meet your different needs. Tattoo cups perfect for used to hold tattoo pigment or ink, help beginners or professional tattoo artists to finish tattoo work and improve the efficiency of your tattoo.