Palermo Blue Soled Glasses by Mr. Boho with classic lenses presented by Tanzanna. These sunglasses with sumptuous frames and pronounced curves are part of our most daring and trendy line, with an undeniable retro touch. Cellulose acetate with 5 tooth metal hinges. LENSES: CR39 B4. Full UV400 protection with category 3 protection filter. Not suitable for direct sunlight or use in tanning beds. HEALTH: Sunglasses that do not require a prescription.