Made from 92% copper, 7.7% tin, 0.3% phosphorus wire wrapped around tin plated hex shaped steel core wire. These guitar strings have a light orange, gold color and provide a mellow, ringing sound, with excellent clarity. • Rich Expressive Sound • Excellent Clarity • Made in California, U.S.A. Featuring the finest and freshest materials. • Made from 92% copper, 7.7% tin, 0.3% phosphorus wire • Element Shield Packaging Prolongs string life and keeps strings as fresh as the day they were made • Previously packaged as Power Slinky Acoustic • Packaging may vary from pictured