It is 100% cotton

There are over 200 photos to clearly illustrate all sleights

this trick is angle proof and requires no setup

Unbreakable

Slate Writer | Vernet Magic Handlordz It is 100% cottonMany writers have been developed to write with: Pencil, Pen, Grease and Sharpie. Now you can write with real chalk on a slate! With Slate Writer you have a modern design, specially manufactured with the perfect grip to write comfortably with chalk, secretly, on a slate. It writes exactly like a piece of chalk! Ultra safe Comfortable Always ready Perfect grip Write on any slate You can replace the chalk in seconds This is essential for every mentalist!