Product Details:Material: Alphafilcon AWater content: 66 %Oxygen transmissibility: 32 Dk/tBC: 8.5Diameter: 14.5Cylinder: -0.75, -1.25, -1.75, -2.25, -2.75Axis: from 10° to 180°Power: from -0.50 to +6.00Every pack contains 6 lenses.