Product Details:Material: Balafilcon A - Silicone HydrogelWater content: 36 %Oxygen transmissibility: 130 Dk/tDiameter: 14.0Base curve: 8.6Power: from -10.00 to +6.00Add: Low from +0.75 to +1.50, High from +1.75 to +2.50Power: from -10.00 to +6.00Lenses in a box: 3