Size:600mm*20m,620mm*20m,650mm*20m,etc Viscosity:low,medium,high,etc... Packing:4roll/carton Self-adhesive roller is made of PP film,.adhesive roll is made of PP film,which is used in machine to protect your machine damaged by dust or particle.it's designed in the shap of easily cut tape convient to us .self-adhesive paper is used for semi-conductor factory andit gives you a great effort in ...