Ragni sponges come in a range of shapes, sizes, and thicknesses, they also come with various cell configurations to suit multiple trades/applications. The trade can vary from cement finishing/flooring, plastering/rendering, and tiling, Ragni has the right option to suit your needs. Most feature a lightweight ABS handle and backing plate, with the sponges bonded to the backing plate using a water-resistant bonding agent. There are also variations that feature an imitation wooden handle and aluminium base, while the tiling sponges feature a Hydro-Cell sponge and have replacement sponge options that click into place.