I really like the You-Supply-the-Drum kits. We are a chemical manufacturing facility, so drums are of no shortage here. Whenever I need to add a spill kit, I have plenty of drums to use, all I need are the contents, and New Pig has me covered with these kits. I don't have to think about it, they come stocked with everything I need for a spill cleanup. I will purchase more of these to restock and add additional kits. A couple other things I like about these kits: they come packaged in two bags, don't need a large spill kit? Use a smaller overpack drum, shove in one bag, and now the other is a refill, or make 2 small kits. Don't have an empty drum? leave it in the box it came in. It'll work in a pinch.