I use a set of these (link) and they're great.
Have a look here: https://www.flickr.com/photos/stevejelly/albums/72157691299732093
These are the same as I had seen on amazon. Ordered a set and see how I get on with them. Planning on using them with the 18-55 and 55-200mm. There are some nice woodlands around my area to test them out in.