Magnet Types - Maxmag - Isotropic and Anisotropic Magnets
Amazon.co.jp: Deco Magnet, Isotropic Magnet Sheet, 40.3 inches (1015 mm) Width x 32.8 ft (10 m) x 32.8 ft (10 m), Domestic Product, White, Non-Glossy, Magnet (0.02 inch (0.6 mm) Thick : Office Products