Product Details:Material: Balafilcon A – Silicone HydrogelWater content: 36%Oxygen permeability: 91 Dk / tDioptria (Pwr): from -0.50 to +6.00Cylinder: -0.75, -1.25, -1.75, -2.25Axis (AX): from 10 ° to 180 °Diameter (DIA): 14.5Curvature (BC): 8.9Each pack contains 6 lenses