Features: It is make of Coppers plate paper, which is very durability, with good toughness and long service life. Easy to carry, can be placed in a backpack. It is a learning tool suitable for beginners and intermediate guitar player. Suitable for beginners in families, schools, piano rooms, music classrooms, teacher teaching, school music teaching. They are perfect for individual practice or collaborative music making essential tool for guitarists. Specifications: Materials: Double copper paper and glossy adhesive Type: Guitar Chord Handbook/Guitar Scale Handbook Guitar Chord Handbook Size: about 10.4x13cm/4.09x5.12inch Guitar Scale Handbook Size: about 29.5x10cm/11.61x3.94inch Package Includes: 1pc Guitar Chord Handbook/1pc Guitar Scale Handbook note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.