TRIOPO S90 Diameter 90cm Honeycomb Grid Octagon Softbox Reflector Diffuser for Studio Speedlite Flash Softbox 1. It is made of black special fabric, lightweight octagon design grid. 2. Honeycomb-style design and hook and loop fastener tape sewn around the sides, can be respectively fastened to the inner side of softbox. 3. Hook and loop fastener sewn around the sides,easy to set up and release. 4. Grid is used on a softbox to control light spill and tighten the total coverage area. 5. Suitable for special portraits or products shooting, resulting in a different light and dark raster effect. 6. The octagon (soft grid) alter the existing light source into its unique shape and intensity to fit challenging light requirements. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.