The Tuk Book™ is the world’s most durable notebook.  It is made entirely out of Tyvek®.  It was designed to be your companion, no matter what your day entails. It is waterproof, tear-proof, and incorporates a patented binding system that allows it to be bent without damaging the binding or sheets. Wear it in your back pocket or throw it in your bag – either way, don’t worry about it!

• Use ballpoint pen to write on it (not pencil or gel pen)
• Non-perforated pages for permanent record
• Carry in back pocket - binding can bend
• Size: 5.5 x 3.75 inches
• Integrated elastic band for keeping closed
• Available in a variety of colors