Features: Universal ukulele strings, replacement strings for soprano (21 inch) / concert (23 inch) / tenor (26 inch) ukulele, remove extra strings for a smaller ukulele after installation. Easy to install, marking number-1, 2, 3, 4 to differentiate 4 strings and the durable nylon material helps you practice ukulele. Quantity, 4 sets of white ukulele strings (each set has 4 strings). String sizes, 1st/ a is 0.026 x 25.59 inches, 2nd/ e: 0.030 x 27.56 inches, 3rd/ c: 0.038 x 27.56 inches, 4th/ g: 0.027 x 25.59 inches (w x l) Wonderful gift, ukulele strings cute gift for ukulele lovers. Specifications: Material: Nylon Note: Please allow 1-2cm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4 Pieces Ukulele Strings