Material: cardboard Product thickness: 3.6mm Product Size: 21*29cm (folded size) 42cm*29cm (open size) Features: A total of 3 colors: white, black, and silver are combined by this reflector to emphasize the three-dimensional effect of light, light absorption, and contours during shooting. Practicality: Silver can reflect strong light and emphasize the lack of light. Black can absorb excess light and emphasize the wheel of objects (glass, metal products, etc.). White can be used as a relief board to emphasize the white outline of the product. Small: foldable. The inner side is white, and the outer sides are silver and black. Convenience: Folding type, compact and light, even without assistance, it can complete simple photography. Use: The best choice for occasions such as glass products, metal products, jewelry, toys, cosmetics, and commodity shooting.