Useless once they stretch out.
I wish I can say that my experience was a good one with the slap cap but I cannot. I could not sleep with it on throughout the night because the elastic was too tight around my head and I had to take it of in the middle of the night. I was unable to last one night with it on. I am so sorry. I ordered the medium size and it just didn't work for me. My hair is natural but it is very straight with not that much body so I assumed a large would be too big. Maybe a larger size might do the trick but the medium just didn't work for me and I have two of them. I haven't taken the second one out of the package.
Stays on my head all night and I don't have to worry about my edges! Win win.
5 stars. The cap stayed in place and that is what I was looking for in a satin cap