This is a 20 Gram Bottle of Zap-O Odorless CA+ Glue from Pacer. An odorless CA that really works! Great on styrofoam and foam, without a primer. Medium thick, slow cure. Works on balsa, plywood and most other hobby materials. No-more-tears formula. Won't fog most clear plastics. One 20 Gram Bottle of Zap-O Odorless CA+ Glue. 20 Grams sdw 12/20/01 ir/kh &