U.S. Buyer Note:The areas where the U.S. warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam, and other overseas territories of the U.S. Your home address. Spanish buyer note:If your address contains the following zip code, please do not select Spanish warehouse. The zip code starts from 51/52/07/35/38/28.Overseas warehouse cannot be delivered. Features:1. The product is made of stainless steel wires with a string making process.2. The surface of the cord is bright colors, silver light, and has an environmentally friendly anti-corrosion coating.3. The string bead is the hollow head of the ball, and the sound of the string is clear and healthy.4. It is used for guitar practice. Specifications:Material: Steel Wire Size: 0.12", 0.16", 0.24", 0.32", 0.42", 0.53" 6 x Acoustic Guitar Strings