Product Details:Material: Balafilcon A - Silicone HydrogelWater content: 36 %Oxygen transmissibility: 112 Dk/tPower: from -10.0 to +6.0Add: Low to +1.50, High from 1.75 to 2.50Diameter: 14.0Base curve: 8.6Lenses in a box: 6