That keeps the lettering waterproof

You can throw them in your bag

marking and drawings

allowing you to lay the book completely flat or fold the pages around to the back

The ink is comes in a nice squared shaped 1 liter bottle with ribbed sides

mtn marcador empty marker 2 mm MTN Water Based markers and spray paint That keeps the lettering waterproofMTN Marcador Empty Marker 2 mm is designed for ultimate versatility, compatible with Montana Colors Water Based, Street Paint, and Street Ink ranges. Its tip and valve system ensure smooth, consistent ink flow and reliable performance, making it suitable for a wide variety of artistic techniques. The markers durable construction allows for repeated use and easy maintenance, providing artists with full control over their creative process.