... cost performance 2non toxic,washable,steady, MTGJ229B-4 GLUE STICK 1,different to ordinary, have better cost ... life over 18 months whether PVA or PVP glue. 3.we can produce the colorless and colored ... -toxic,harmless,tasteless,washable. 5, it's the solid object,mainly used for office or school supplies. 6 ... easy to transport,no risk. 7, MTGJ229B-4 glue stick have passed European CE and American ASTM-4236 ...