Product name:Acoustic Guitar Strings Product color: As shown in the figure Product material:Stainless Steel Wire Brass Alloy product features: Phosphor bronze alloy wound strings are made of high-quality stainless steel silk strings, carefully selected materials, imported high-quality steel core, new phosphor bronze alloy, professional environmentally friendly anti-rust technology, longer anti-oxidation life, and nickel-plated bead heads; they are made by fully automatic winding machines, which makes the string quality and tone better. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set Acoustic Guitar Strings