Two be deeply attached to each other 3M crystal car wax family brothers-- magic crystal and super crystal， the crystal congenital malnutrition， itsonly 180 grams， the protection of the paint is relatively weak， the magic crystal defect of 3M gene family， the optimization on the basis ofresearch， the super crystal， the upgraded super crystal weight to 297grams， in UV resistant， waterproof performance on the 10-15%，persistent rise nearly 20%!! Super crystal listed so far， has beenrecognized by the majority of users， has become the most classic 3M，the best-selling car wax， in order to dear can get better products， the 3M family has not given up!!