These led lights are good and very sticky as well. I know some people have said that they're not very sticky, but they are. The only problem I really had was taking off the adhesive cover, finally got it off after a while with a knife. The lights are very bright and the colours work perfectly. Not only that the bluetooth for these led lights are also very good and there's so many different colours that we can use. I definitely recommend buying these if you're looking for non-expensive 20m led lights. Also, shipping was very fast. I had only bought them yesterday and they came today.