1,highly absorbent and low tracking 2,economical 3,lasts longer 4, 99.9% dust free 5,own's intl logistics 2011 newest cleaning cat sandThis pet accessory is made of bentonite , through beneficiation,natural sun drying,prilling , drying refine process,it can be make of White color ,grey color and many kinds of other color,formed globular column and unshaped particle . It Has the strong adsorption ...