Neewer 12"/30CM 2-in-1 Gold & Silver Portable Circular Collapsible Lens-Mount Light Reflector with Long-lasting Zippered Carrying Case Made of sturdy endurable material. It's able to collapse into a small size and storage in a convenient carrying case. Special design to fit all sizes of lenses.Bore diameter:3.7-4.7"/8-10cm The Reflector has 2 sides of different colors: Gold: To warm up the picture; Silver: To brighten the picture Package content: (1) Portable Circular Collapsible Lens-Mount Light Reflector (Gold & Silver) (1) Long-lasting Zippered Carrying Case