Features: Brand new and high quality Made of colorful coated copper alloy Long service life Tunes stable, sounds great Suitable for acoustic guitar Length: approx. 1 m (40") 6 different colorful strings: E string (1st) .011"(0.28mm) stainless steel B string (2nd) .015"(0.38mm) stainless steel G string (3rd) .024"(0.61mm) red bronze wound D string (4th) .032"(0.81mm) yellow bronze wound A string (5th) .042"(1.07mm) blue bronze wound E string (6th) .052"(1.32mm) green bronze wound Package included :6 X Guitar strings