Kitty Poo Club offers a subscription litter box service which is delivered directly to the homes of their customers each month. The patented litter box offers a water proof tray adhered to the coated cardboard litterbox. The litter is made from an all natural, silica which provides odor eliminating qualities and it is also dust free. The silica litter contains any liquids which allows you to only change your litter when the new litter box arrives each month. The convenience, as well as the quality of the product, sets Kitty Poo Club apart from any other cat litter companies.