Looks like decorative silver metal, but it's light, so I don't know the material. Set of 3 frames. Perfect for interior decoration. Photos cannot be inserted. - Quantity: Set of 3 - Design: Decorative frames - Material: ?? - Color: Silver - Shape: Rectangular Outer frame: 10 x 7.8 cm Inner frame: 7.2 x 5.0 cm Weight: 48 grams Comes with a silver, thin nylon string of about 14 cm. Stored in a drawer since purchase! I hope someone can find a use for them.