The Toilet fresh-up Set is a simple and economic way to make a used Cassette Toilet as good as new. The set includes a waste-holding tank with a toilet seat and cover to freshen up the toilet. You only pay for the waste-holding tank! The Toilet fresh-up Set is available for Cassette Toilet C250 & C260. Additional waste-holding tank for longer trips? Even then the Toilet fresh-up Set is a perfect solution. The fresh up sets now come with a handle and wheels for easy transportation.