The ideal shade of gray for adding color to eyes without overpowering them is Bella Diamond Woodstone lenses. Your natural eyes will look more dimensional and blend in with this color. Three months of use with a 38% water content 8.6 mm in diameter and 14.5 mm in center thickness, with a base curve of 0.07 (-3.00D) Permeability 12 South Korean Manufacturing Contents of the Package A set of lenses Polymacon lens material