... any clean, dry surface feature:Permanently plastic, reusable multi purpose adhesive. Excellent adhesive qualities. Very piable. Non toxic - safe ... school, factory/workshop, etc. Alias: Blue tag , CBLU-TACK, Handi-Tak , Fix-it Tack , Blu tack, Blue tack ,white tack1. re-useable adhesive2.Can you ... toxic8.Use in stead of sticky tape,tacks,staples,pins,wax,paste,magnet,glue,caulking in hundreds of uses