Grease Pencil A wax writing tool made of hardened wax (similar to crayon but stronger). Use to write on hard surfaces such metal, stone, wood or glass surfaces & great for reusable containers. No need to sharpen as you can peel the tear string when the writing tip begins to get dull. Pair with our Stainless Steel PLANT ARCH TAGS Water Resistant 6.7"L x 0.7"W Made in USA Wax Pencil