Although the cloth is thick and ok at first, it will leak after a long time.

If you want to shoot a product with a pure black background, you can choose a non-reflective pure black flannel or a black fairy background. Then let the subject have a certain distance from the background, and the flash or led light illuminates the main body to control the light output range. You can use a soft box to smooth the light to make jade noodles. If possible, you can give the main body a strong light on the side and rear of the main body to make the jade transparent.