Twin Pack - 6 reading glasses included Available in 4 strengths - +1.5 | +2.0 | +2.5 | +3.0 Lightweight, flexible metal wire frame construction Highly polished silver coloured frame with black protective frame sleeves Flexible spring loaded hinges for improved comfort and reliability Classic rectangular lens style designed for both men and women Small, compact and easy to store. Ideal for home, office, travel