These polyolefin sheets roll or fold without cracking and stay flexible at cold temperatures. They won't rip, stretch or shrink. They can be punched for use in binders or cut into labels. This paper is resistant to many solvents including acetone, formaldehyde, formalin, xylene, acetic acid and ethanol. They accept many inks including laser, inkjet, copier, markers, ballpoint, gels and technical markers. These sheets DO NOT accept pencil.