The Guoguang harmonica is made of high-quality stainless steel material, mainly in silver color, with a rectangular design that is simple and easy to learn. It can be used to relieve study and work pressure and is suitable for use in family, school, and other places. The two sides of the Guoguang harmonica are engraved with many dots, with 24 holes, featuring a clever design, non-rusting, anti-falling, long-lasting materials, and other characteristics. The Guoguang harmonica is packaged in a cardboard box, suitable for performance, competitions, and gift giving, etc. The wholesale reference price is 15 yuan per piece, with a minimum order quantity of 1 piece or more, and the packing quantity is 100 pieces per piece.