a plastic product that is capable of specifying the compatibility of an affixed sheet with the product , so as to eliminate a step of removing the affixed sheet during a recycling process of the plastic product includes at least one first seal that is made of plastic compatible with the plastic product and affixed on the plastic product and that indicates various arbitrary information and a second seal that is made of plastic compatible with the plastic product and affixed on the plastic product and that indicates the plastic product is able to be put through a material recycling process with the at least one first seal and the second seal affixed thereon .