Unlimited working time to place ceramic, plastic and steel brackets. * Cures in only 3 to 20 seconds of light exposure depending on light source. • Small particle filler for extra strength, but easy to debond and remove with scaler. • Color stable to preserve excellent aesthetics. 2 Kit includes 2 syringes of 5 gms each, Primer 4 gms, Etchant Gel 9 gms in Bottle. 4 Kit includes 4 syringes of 5 gms each, Primer 8 gms, Etchant Gel 12 gms in syringe.