Features: A set of 6 strings: A-1st, E-2nd, C-3rd, G-4th, suitable for ukelele. Metal strings are made of good quality nylon with colorful coatings, never rust, not prone to break, very durable to use. Strings are smooth and can make clear and melodious sound. Adopt fine workmanship and delicate design, easy and convenient for you to use. Nice gift for your friends and family who loves playing ukelele, it is the good ukelele replacement. Specifications: Brand: IRIN Material: Nylon Quantity: 4pcs/Set Weight: Approx. 13g String Reference: A-1st: 0.022inch/0.56mm, Blue E-2nd: 0.028inch/0.71mm, Green C-3rd: 0.032inch/0.81mm, Yellow G-4th: 0.022inch/0.56mm, Red Package list: 1 * String Set Package List 1A set of 6 strings: A-1st, E-2nd, C-3rd, G-4th, suitable for ukelele 2Metal strings are made of good quality nylon with colorful coatings, never rust, not prone to break, very durable to use 3Strings are smooth and can make clear and melodious sound 4Adopt fine workmanship and delicate design, easy and convenient for you to use 5Nice gift for your friends and family who loves playing ukelele, it is the good ukelele replacement