The tone is rich and warm with abundant harmonics. Sound is clear and bright. Each string comes in an individual package and is placed together in a bag. Proprietary rust-resistant coating extends string life and enhances sound, magnetic response, and projection. Exterior strings feature a bright, uniform color, excellent sound quality, moderate softness, and average stretch. Additional nylon reinforcement greatly increases string durability. Colored guitar strings are visually appealing and help players easily distinguish each string. Color: multicolor. Material: nickel alloy + nylon. Package Contents: 6 x Guitar String. Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowance is +/- 1-3 cm.