EVERJOYS is a leading online brand, which is dedicated to designing creative and intellectual instruments and toys for kids, teenagers and adults, that are integrated with R&D, manufacturing, and marketing. Everjoys' After-Sale We are always here Every music lover can simply contact us If there is any trouble with the ukulele. You can also simply return it for a replacement or full refund. Besides our official website, we also updated many online lessons on Youtube. Please feel free to contact me to avoid instrument damage during shipping, the ukulele hasn't been tuned. New instruments may take time for the strings and the wood to adapt to the tension. You may need to tune the instrument several times, depending on the variance of temperature and humidity. High-Quality copper Rather than poor-quality brass-plated zinc alloy, our gear made of pure copper, will be harder, less corrosive, and rusting Material Selection High-quality Everjoys focuses on providing high-quality musical instruments to our global customers.