I had eyelash extension infills. It would be good if the description said that these were 3D Russian volume lashes only, and they don't do one-to-one lash extensions. However, they look brilliant and I love them. The only reason I've given 4 stars and not 5 is because they didn't have really long lashes (C curl 15/16) in stock, and I have such long lashes myself I need these. However they have said they can order them for me if/when I return.