Our wood burning pens contain polyurethane, acrylic polymers, adhesives. It can be suitable for most wood lovers, and use this marker in all your home projects. Use them to create custom, burning art designs on cutting boards. The way to use it is simple: first smooth the surface of the wood with sandpaper, then shake the product before use, adjust the moisture on the paper, apply the design to the surface of the wood with the product, and finally heat the design with a heat gun to show burn marks. This product is safe to use, easy to use, non-toxic formula, you can be safe to use, after use, you can paint your own want to paint the pattern, play your imagination.