Bob Smith Industries (BSI) Insta-Set Accelerator for Cyanoacrylate (CA) Glue is essential to have on hand if you use CA glues or cements. Spray Insta-Set on glued joint and the CA glue will set instantly. 2 ounce bottle has pump spray applicator for easy use. Keep out of reach of children and follow all label directions. Product has a shelf life of 1 year and must be kept in a cool and dry location. Keep bottle closed when not in use.