100% Pine Tree (Grown in a Japanese renewable tree farm - No Chemicals) | Annual Rings: You will notice that they are annual rings, if a memo pad is seen from width. | All Patterns Are Different: The pad's wood shaving makes each pad appear different due to the uniqueness of the tree used | Feeling Of Usage: The front side and the back side exist in wood shavings. The front side is smooth. The backside is rougher. | Multi-Purpose: The perfect novelty gift. Can also be used to luxuriously serve appetizers, deserts, Matcha tea powder, drawing, painting, displayed in a frame, writing, and many other purposes.