An ultra-small, particle size (0.4 micron), micro-hybrid composite restorative for long-lasting polish and strength equivalent to natural teeth. Syringe Kit Kit Contents: (5) 4 g syringes (1 each: A2, A3, A3.5, XL2, T1, XL2), 25 pouches OptiBond Solo Plus (2.5 ml total), 5 ml OptiGuard Surface Sealant, Two 6 ml syringes Gel Etchant and accessories.