The product is the sturdy and lasting ukulele string. This string is made of reliable nylon material to ensure its durability and practicality. It can make the sound and powerful, and the sound is clear and bright. It is perfect for ukulele lovers. Features -Color:Black -Material:Nylon -Size:10.80X11.00X1.00cm/4.24X4.32X0.39in -String diameter: 1st: 0.56mm/ 2nd: 0.81mm/ 3rd: 0.71mm/ 4th: 0.56mm - Made of durable nylon material, durable, and not easy to deform. - Very good tool to replace your worn or old ukulele string, great ukulele beginners and performers. - workmanship and good detail processing make this ukulele string more useful and practical. - The creative design will give you a wonderful experience and bring you a good mood. - The nylon string has a small running sound range, giving you a good sense of use. Package list: 4 x strings of Ukulele Strings