Product name:Acoustic Guitar Strings Product color: As shown in the figure Product material:High carbon steel Silvery plated winding product features: Hexagonal steel core, long-lasting tension, bead head adopts stainless steel electroplating head, high stability, precise positioning, coated steel wire, bright color, exquisite craftsmanship, firmly lock the headstock,, make the piano vibrate when pluckedUniform, good feel, more stable and pleasant sound. 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