Features: A set of 6 strings: E-1st, B-2nd, G-3rd, D-4th, A-5th, E-6th, suitable for guitar. Metal strings are made of good quality copper alloy with colorful coatings, not prone to rust or break, very durable to use. Transparent strings are made of nylon, smooth and can make high tone sound, clear and melodious. Adopt fine workmanship and delicate design, easy and convenient for you to use. Nice gift for your friends and family who loves playing guitar, it is the good guitar replacement. Specifications: Brand: IRIN Material: Nylon + Copper Alloy Quantity: 6pcs/Set Weight: Approx. 25g String Reference: E-1st: 0.028inch/0.71mm, Transparent B-2nd: 0.032inch/0.81mm, Transparent G-3rd: 0.040inch/1.02mm, Transparent D-4th: 0.030inch/0.76mm, Red A-5th: 0.035inch/0.89mm, Yellow E-6th: 0.043inch/1.09mm, Green Package list: 1 * String Set Package List 1A set of 6 strings: E-1st, B-2nd, G-3rd, D-4th, A-5th, E-6th, suitable for guitar 2Metal strings are made of good quality copper alloy with colorful coatings, not prone to rust or break, very durable to use 3Transparent strings are made of nylon, smooth and can make high tone sound, clear and melodious 4Adopt fine workmanship and delicate design, easy and convenient for you to use 5Nice gift for your friends and family who loves playing guitar, it is the good guitar replacement