Product Specifications Lenses per box: 3 pieces of the same grade Lens type: Monthly disposable Material: lotrafilcon B Diameter: 14.5mm Base curve: 8.7mm Manufacturer: Alcon Please state your power and quantity in the message box when you check out on the payment page. Available powers: Sphere: plano to -6.00D (in 0.25D steps), -6.50D to -9.00D (in 0.50D steps) Cylinder: -0.75D, -1.25D, -1.75D, -2.25D Axis: 10, 20, 70, 80, 90, 100, 110, 160, 170, 180