Not bad for the price. A little tricky dealing with fragile gels but overall good job. Some people have complained that it doesn't cover the entire flash. It wasn't a big problem for me, so I didn't really notice it. Having a flash open didn't affect the photos much. So overall they are excellent if you are just starting to play with the gel. My only real complaint is that they are flimsy and a bit difficult to attach to the flash. with the supplied rubber band. For reference I used Canon 430EXii and Yongnuo YV560IV. I've attached an image taken with red gel.
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