These are amazing gels. They come in a sealed Velcro pouch and are color coordinated. The only downside is the tape that wraps around the flash head and holds the gels in place. It was too big for my particular flashes. There's nothing a rubber band can do. They are great to use on multiple flashes for different effects (e.g. contrasting colors for portraits. Illuminate background with one color when using warm skin tones. Worth checking out