Contains: 2 syringes of 3 ml and 10 disposable tips DiaEtch is a blue colored gel-type substance containing 37% phosphoric acid that etches enamel and dentin to promote adhesion of primer/bonding agent adhesives to tooth structure and restorative materials. Features and Benefits: • Quick and precise application with small gauge (25 gauge) pre-bent tip • Convenient dispensing syringe • 15-second etch • Excellent biocompatibility • Ideal consistency and material thickness • Washes off easily without any residue for predictable adhesion • Color can be easily differentiated from the tooth