Made with 70% recycled materials, our non-toxic dry-erase markers are perfect for doodling away at meal times or on-the-go. Wipe clean again & again for endless entertainment! CARE: Our unique, non-toxic formula ensures that our markers leave the richest, brightest color on our silicone mats. Keep them clear of clothing so their gorgeous colors don’t stain! If your markers dry out, reinvigorate them by dipping the tips in rubbing alcohol.