The inner wall of the box is made of reflective material, so that the amount of light from the flash lamp can be fully utilized and the light is more . Super lightweight, easy to carry and use. Useful photography tool and for you. Color: black Material: composite material Package Contents: 4 x Shadow Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.