Nature's Eco 100% Recycled Pre Filled Disposable Cat Litter Box. Pre Filled with 100% Eco Friendly Cat Litter Convenient 6pk Ready to go to use right out of the package 100% Eco Friendly Recycled Paper Cat Tray and Pre Filled Cat Litter Contains pre filled super absorbent paper pellets for 1 week's usage. Excellent odor control and absorbtion