I am looking forward to purchases from those who understand that this item has been stored at home after purchase. There is a mark on the back of the package where the "Thank you for your purchase" sticker was removed. Extra light gauge 80/20 bronze acoustic guitar strings, perfect for everyday playing. - Brand: Martin & Co. - Model: M170 - Type: Acoustic Guitar Strings - Gauge: Extra Light 10 - Material: 80/20 Bronze - Set Contents: 1 set - String Size: 0.010 - 0.047 inches (0.254 - 1.191mm) Thank you for viewing.