<b>This lovely notebook has excellent waterproof performance. Besides waterproof, This scrappy notebook can Repels different nature of the environment, rain, snow, sweat, tears, mud. Meanwhile, Not only in the outdoors, but also use for offices.<br>Good for mothers while you are cooking or need record something, he will help you prevent grease effectively.<br>His size almost like an iPhone6, perfect for your Hobo bag or Bolide bag.<br>Friednly to close environment<br> The paper we used is manufactured from renewable wood fibre in a non-petroleum based manufacturing process. The paper is fully recyclable just like normal paper. Most of the covers are made from 100% recycled materials.</b>