Warm and tone: Guitar Strings is made of red copper, which can produce warm, rich and penetrating tone. They resonate well when playing, resulting in a full and sound Durability: Red copper strings's material is resistant to oxidation and corrosion, ensuring the long service life of the strings. They are not easy to break or deform, giving you peace of mind during use Touch: Acoustic Guitar Strings's smooth and delicate surface provides a touch. They provide a comfortable feeling for your fingertips when playing and are not easy to slip Various tone changes: Musical Instruments accessories of different thicknesses produces different tensions, resulting in different tone changes. These strings can be used in various musical styles to meet different performance needs Wide applicability: Guitar Strings is suitable for various types of guitars such as classical guitar, folk guitar, electric guitar, etc., to meet pursuit of tone by different players Size Chart: Length: 88cm/34.65inch Package Includes: 1 Guitar Strings Note: Color might be slightly different due to the color calibration of each individual . Please allow slightly measuring deviation due to manual measurement.