GUCCI COSMOGRAM eyeglasses made of titanium, stylish black/tortoise design. GUCCI eyeglasses gg0856oj 003 with prescription lenses These were a gift, so the prescription strength is unknown. They have been cleaned, and will be cleaned again before shipping. The item is the glasses only, no case. - Brand: GUCCI - Material: Titanium - Model: COSMOGRAM - Color: Black/Tortoise - Style: Eyeglasses - Size: Standard size Thank you for looking.