Grid is used on a softbox to control light spill and tighten the total coverage area;this can be particularly helpful in tight shooting environments. The soft, even light quality of the boxes remains, but the grids allow you to have more directional control over the output. The grid is made of black special fabric, with honeycomb-style design and paste sewn around the sides, can be respectively fastened to the inner side of the 31" / 80x80cm softbox. Suitable for special portraits or products shooting, resulting in a different light and dark raster effect. The grid is extremely simple to fit using the paste strips on the inside of the softboxes.The nylon fabric construction also makes them a very durable and lightweight accessory. Specification: Material: Non-woven Spread Surface: 31" / 80x80cm (L*W) Shape: Square Package Includes: 1Piece Square Honeycomb Grid