Sized to fit medium-scaled violas, body length of 15 to 15 3/4 inches, with a playing length of 14 1/8 inches, D’Addario Prelude Medium viola strings are the preferred strings of instructors. Due to Prelude’s solid steel string core, the strings produce a strong resonance and a clear, warm tone. Unlike some steel core viola strings, Prelude strings do not produce a shrill or metallic sound. The tone is warm yet crisp, bright and focused. The steel core strings also allow for quick and easy bow response, a beneficial characteristic for beginners. Prelude string are also unaffected by changes in temperature and humidity, ensuring the tone is always consistent. Although the strings provide a quality tone, the strings are also affordable. A great value, Prelude Long viola strings are designed and manufactured in the United States and meet D’Addario’s stringent quality standards. To ensure Prelude strings arrive in pristine condition, the strings are shipped in protectively sealed packaging to prevent corrosion.