Description:With ergonomic design, the guitar strings trainer is easy to carry and convenient for you to practice.With fine workmanship, the guitar strings trainer can become the easiest and most effective tool for practicing guitar fingering, allowing you to practice more and quickly improve your muscle memory. The old version has no sound, and the upgraded version emits real guitar strings for a more realistic practice experience.Made of premium ABS, rosewood, and steel materials, the product is sturdy, durable and lightweight.The length of the closed size is 10 inch, the width is 2 inch, and the height is 1.3 inch. The length of the opened size is17.7 inch, the width is 2 inch, and the height is 1.3 inch.It's great for beginners.Item Name: Pocket GuitarMaterial:Steel,Rosewood,ABSColor: Black, WhiteSize Details:Closed Size10" x 2"x 1.3" (Approx.)Opened Size: 17.7" x 2" x 1.3" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.This is still not a real guitar, just a chord practice tool.Package Includes:1 X Pocket Guitar