Product size about : A3:29.7*42CM/11.6*16.5in A4:21*29.7cm/ 8.2*11.6in Product color: As shown in the figure Product material:Paper product features: Various chord presentation: This poster contains 9 commonly used chords in 12 modes, a total of 108 chord diagrams, suitable for beginners and advanced players, helping you easily master various chord changes. Full note marking: The poster design contains all the note names on the guitar fretboard, which is clear and easy to understand, allowing you to quickly find the position of each note during practice and improve practice efficiency. High-quality packaging design: The product is wrapped in paper tubes to ensure that the poster is not creased during transportation, keeps it in perfect condition, and is convenient for access and display at any time. Highly Sturdy material: Using digital printing, the surface is treated with glossy glue, which is fold-resistant and Sturdy, and has mild waterproof properties to ensure that it is not easy to wear and damage during use. High-definition printing: Each chord diagram and note marking are printed with high resolution to ensure clear details, helping you not to miss any notes during learning, and improving your music experience. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set Guitar Chord Charts