Cat litter: JoyPet (4.6L 1 bag) and RIFLE X (4.6L 1 bag) silica sand (crushed type) set [Product Details] JoyPet ● Powerful deodorization! Silica sand uses silica gel, which is used as a deodorizer, as its material, so it absorbs urine firmly and deodorizes powerfully. RIFLE X ● Made by Kohnan. The countless holes absorb urine and the deodorizing effect lasts for one month! It not only absorbs urine, but also absorbs moisture from feces, so you only need to discard the dried waste. We will ship it in a cardboard box. Thank you.