Ease to use, and in make light from flash softer and shadows not so sharp. It's very light weight Has a rely small size when it's unfolded. It's very easy to attach to any flash head. The real size in not one that is indicated in the specifications on the site (11.2 cm x 6.5 cm x 5.3 cm). The are... Ease to use, and in make light from flash softer and shadows not so sharp. It's very light weight Has a rely small size when it's unfolded. It's very easy to attach to any flash head. The real size in not one that is indicated in the specifications on the site (11.2 cm x 6.5 cm x 5.3 cm). The size are bigger it's almost like (A4 28 cm x18 cm). At the moment I can't see any. For sure it's a good thing. If you buy it you will not be sorry. Has a small envelope fore store or for transportation it will allow you to keep devise clean and safe. Great product, nice price thanks DealExtreme !!! Read more