The Easy Twist Wax Pencil is non-toxic and conforms to ASTM D-4236, which makes it the perfect marking instrument for any hospitality setting. With a durable casing that can be wiped and sanitized, it writes on a variety of surfaces and is water resistant. No need to load the wax core into the mechanical pencil, just remove from box, twist, and use! With more usable wax in each pencil, there is less downtime and no need to refill pencils every shift.