Filling and light-curable. This dentin/enamel adhesive system functions as an adhesive and cavity liner in a single material. It is a bonding system with 48% glass filler providing structural adhesion. It is a simple one-step application that does not require mixing. Only light-curing is needed. CONTENTS: 8 ml OptiBond FL Prime bottle + 8 ml OptiBond FL Adhesive bottle + 1 syringe x 3 g Gel Etchant + 10 disposable Gel Etchant syringe tips + 25 disposable mixing wells + 50 disposable applicator tips.