Zap-O Foam Safe CA is a true odorless CA. It has the same gap filling properties as Zap-A-Gap CA+ but without the fumes. It works great on balsa, plywood, bass wood and most other modeling and hobby materials. Zap-O Foam Safe CA is also great for craft work when gluing foam shapes or various materials to foam products. Medium thick formula that cures in 15 seconds. Packaged in a 20-gram bottle.