Isotropic magnet and anisotropic magnet are different kinds of rubber magnets. Isotropic and anisotropic rubber magnetic difference is the magnetic strength, the strength of Isotropic magnet relatively weak, the strength of anIsotropic magnet relatively strong. it depends on how you magnetize them, same rubber magnets normally magnetize one side S and one side N, multi-pole magnetization is one side with both S and N poles, same thing on the back side. The same is true for the magnetic properties of opposite-rubber. They just have different strengths.