Complete Your Look With High Quality Color Contacts These Red and Black Theatrical Contact Lenses last up to 90 days once opened, can be worn for a maximum of 8 hours per day, and are sold as a pair. The diameter measures 14.5mm, base curve measures 8.8mm. Note: The contact care sheet must be read, signed, and returned before the product will ship. Technical Information Iris Effect: OpaqueOpacity Level: 100%Refractive Power: PlanoSizing/Fitting: Diameter 14.5 mm / Base Curve 8.8 mm Packaging: 2 lenses per box Usage/Wear: 90 days usage Material: 62% Polymacon / 38% Water