ADVANTAGES:- Products in one specific repair kit: quick and perfect repairs. Masking products: esthetic repairs in porcelain fused to metal restorations. Small quantities of each product. CONTENTS :- Opak (2 shades of A3 & B 0.5 each of 0.5g) Porcelain conditioner (1 syrings of 0.5g) Silano (1 bottle of 2ml)