4 These are just what I need for my two awkward shaped ponds. I would have liked a slightly better way of linking them, and that its why 4 stars. I also couldn't use the small circular and other straight bit. No instructions to help. Posted by Julia Taylor on 30th Jun 2020 A generous amount which should be useful for my pond for some time. Bit difficult to cut. I was afraid they would look too obvious but they are hardly noticeable and the fish ignore them.