grade matal material, very bright and lustrous, This is a very souvenir gift. It can be used as a badminton game, badminton club and some sports souvenirs. Tarnish resistant, smooth surface, rustproof, wear-resistance and not easy to scratch. 3D simulation badminton's very cute, there have 5 kind of color for your choose. Make your keys more conspicuous, attractive, draw happy attention, and make it easier to find your keys.