These Celena contact lenses are a part of the recently launched Shaded Collection. A very stylish light brown hue that highlights the eye features, similar to that of a walnut. Both day and nighttime wear are appropriate. Curvature of the Lens Base: 8.6 Water Content: 38% 14.5 mm in diameter Duration of Use: Three Months Note: Two pairs of non-prescription cosmetic lenses are included in each pack. One prescription lens per degree is included in each prescription lens pack.