... .non toxic,washable,steady,over 18 months shelf life. MTYJ504B liquid glue:1.different to ordinary, have better cost performance.2we can ... .4.non-toxic,harmless,tasteless,washable.5.it's the liquid object,mainly used for office or school supplies.6.non ... and explosive materials,easy to transport,no risk.7,MTYJ504B liquid glue have passed European CE and American ASTM-4236 standard.