One item is new and unused, and two items appear to be used. IRIN C101 classical guitar strings are made with high-quality black nylon and silver-plated copper windings. Gauge: 028-043 Material: Black nylon (plain strings), silver-plated copper windings (wound strings) Features: Full bright tone (rich and bright sound) Application: For classical guitars Aquila New Nylgut strings. They reproduce the tone of gut strings while being nylon strings. They eliminate the drawbacks of gut strings: high cost, short lifespan, and instability in tuning due to humidity. Guarantees excellent attack speed and superior tuning stability compared to the best nylon strings. Designed for plucked instruments such as ukuleles and guitars. Aquila's New Nylgut ukulele strings. Made of a new material "Nylgut" that reproduces the tone of gut strings while overcoming the drawbacks of cost, lifespan, and tuning instability due to humidity. Guarantees better tuning stability than regular nylon strings. Model is "2", and the number of strings is 3. SIT Strings, THE STAY-IN-TUNE STRING COMPANY Lay's Strings 2ND (B) STRING (2nd string (B)) 5TH (A) STRING (5th string (A)) MADE IN U.S.A. Classical guitar string sets from multiple brands, including IRIN, Aquila, and Albert Augustine. All items shown in the photos. New, unused, and unopened. I am also selling other items, so please comment if you want a set. - Brand: IRIN - Type: Classical guitar strings - Material: Silver-plated copper winding - Brand: Aquila - Type: NYLON strings - Brand: Albert Augustine - Type: Classical guitar strings Thank you for viewing.