1,ink passed SGS,EN71 2.new design for children 3.as promotion gifts ,with your company's logo print on it chemical bond marker for children intelligence development 1,description: Intelligence stationery 1)plastic color: PMS color2)ink color:yellow,pink,green,orange,blue3)Function:writing tools,promotion gift,logo imprinting4)ink shelf time:10 months5)customer's logo imprinting :is available,OEM ...