Product Details:Material: Ocufilcon DWater content: 55 %Oxygen transmissibility: 17 Dk/tDiameter: 14.5Base curve: 8.7Cylinder: -0.75, -1.25, -1.75Axis: 20, 90, 160, 180Power: from -0.50 to -10.00Lenses in a box: 30