The silicone spoons and brushes are phenomenal. They make my epoxy/resin glass making so much easier. The cups, however, are a different story. I only make a few cups at a time, and as such am only using maybe 1/4" of the silicone cup. After mixing and applying epoxy, I let it fully dry so I can clean it out. However, because it's little "droplets" of epoxy, it's like 100's of small droplets I'm trying to scrape off. They come right off, but it's like you have to pick each little spot off so it See full review