For trial use only. The item for shipping is only the main body shown in the image. The following is from the manufacturer: The NiSi 100mm System Square Filter Half Graduated Nano is specially designed for landscape photographers. The main body dimensions are 100 x 150mm and 2mm thick. Compatible with the NiSi 100mm System Filter Holder. The filter, made of high-quality optical glass with Nano IR coating, provides excellent depiction without scratches, dirt, or color cast. You can adjust the position of the filter according to the composition, further expanding the range of expression. This filter was developed to handle scenes where the light near the horizon is strongest, such as sunrises and sunsets. Thank you for viewing.