Detailed Product Description

Instructions:1 Lift the superficial oil paper before writing and put it back for rewriting. This
product can be reused constantly.2 Oil reservoir may pile up after reusing for several times. Something soft such
as the face tissue can be used to wipe it even. 3 All can be used except such hard things as sharp edge or sharp point. 4 It is forbidden to put it in the mouth to lick. The product is colorless and nonpoisonous,,which fundamental ingredients is lubricant