Product details:

12 Colors 1 pcs Permanent Marker White Oil-Ink Mark Pens Stationery school & office supplies cd mark marker wood marker pen rock - Shelf Life: 2 Years - Features: Non-Toxic, Permanent, Odorless, Water Resistant, Non-Fade, Smoothly - How to Use:1. Please shake it well before used.2. Please press the tip down 3 or 4 times.3. Please don't shake when using, lest the pigment spilled.4. Cap the pen tightly after use.5. Don't burn-even when empty.