Smart Catty Clay Clumping LitRemu Smart Catty Litter – 7.5 KGter is a natural cat litter made from 100% natural minerals. It provides excellent odor control. Its hard clumping abilities make it exceptional. Simply scoop the lump and throw it off. The rest of litter remains clean, odorless and ready to re use making it a very economical and environmentally friendly choice.