For use in sandboxes in city parks, daycare centers, kindergartens, and elementary schools.It prevents the proliferation of more than 130 types of pathogenic bacteria in sandboxes, and also prevents roundworms in dogs and cats. The antibacterial agent used in this "antibacterial sand" is a special antibacterial agent that is odorless and harmless to the human body, and prevents the growth of more than 130 types of pathogenic bacteria, mold, and algae in the sandbox, and maintains a clean sandbox for a long period of time.它对从外部带入的真菌也有效。它还对狗和猫的蛔虫有杀菌作用。作为指导,您大约需要 5 到 6 个每平方米厚度为 5 厘米的袋子。可以使用以下类型的沙子。 Our store's NO.1 popular mountain sand Our store's NO.2 popular river sand Our store's NO.3 popular antibacterial sand Masago soil is perfect for making muddy dumplings