Set2: 1 x Guitar Dehumidifier Bags + 1 x Guitar ArmrestThis guitar armrest is ergonomically designed and specially designed to provide a pleasant feel-while at the same time improve the acoustic value of your instrument, avoids your hands with the guitar's body, protects your instrument from sweat and allows for better vibration that improves the acoustic value of your instrument. Easy to assemble and disassemble at any time with Velcro stickers. It prevents the arm from damping the top so you can move freely, and gives you all the sound your guitar has to give! Features1: DehumidifierFeatures2: Guitar DesiccantFeatures3: Guitar DesiccantFeatures4: Guitar Dehumidifier BagsLength: 20cmColor: Black, Brown/YellowMaterial: Rosewood/Silica GelPackage Contents:1 x Guitar Dehumidifier Bags1 x Guitar ArmrestPrecautions:1. The desiccant is not suitable for use in environments where the humidity is already below 40 degrees;2. Please use it in a closed environment as much as possible.3. When the dehumidifier absorbs moisture, the surrounding environment also moisturizes, and the humidity does not stay at the current value all the time;4. Do not store with food:5. Do not take:6. Please keep out of reach of children:7. Do not use a gas stove or other burned-out method. The dehumidifier has a melting point of 130 degrees, which is dry beyond this temperature, the agents will appear black, seriously broken, melted and so on