It is a car scratch pen or car scratch remover，you can name it as you want . Actually it is a bottle of Advanced Car paint with a small Brush in it . So you can not only use it on your vehicles but also on your boat . Motorcycle . bike .fridge . door . desk . floor etc. even DIY paintings . As long as the color matches your stuff ,you can use this pen to cover the scratches on it . but never ever on your skin or fingernails or any place you don't want to use it .because this paint is really really hard to be cleared . waterproof is just the basic function . the paint can prevent heat Rust oxidation etc.So please keep it away from kids. About the color difference There are lots of kinds of White out there . and my White is the most normal kind . it is Pure White . please make sure that there is no special color on your original paint . or there may be a little bit color difference . not that Obvious.so please confirm the color type before you buy it. How to use it 1.Clean the scratch area before use 2.Remove the wax of the scratch area 3.Remove the iron rust 4.Shake the pen about 10~40 times before using 5.Please use in sunny days to ensure product effectiveness you can use it on rainy days but it will take more time to dry Multipurpose It is a bottle of Advanced Car paint with a small Brush in it . So you can not only use it on your vehicles but also on your boat . Motorcycle .bike .fridge . door . desk . floor etc. even DIY paintings . As long as the color matches your stuff ,you can use this pen to cover the scratches on it . DIY painting You can use this little brush to paint any words logo even your name on your Motorcycle bike or nave of wheel .or anything you want . and please keep the bottle Standing upright after using it (important). 100% Back Satisfaction . HSYT is the Only Distributor of this Car Scratch remover . other seller may sell fake product with poor quality on this ASIN , Please be care of it .If there is any quality problems with this product .please feel free to send us a email at any time ,we will reply to you within 12 hours and send you a replacement for free to your address directly or give you full refund .Your satisfaction is our unremitting pursuit.