The Hygiene Plus formula in Ever Clean Total Cover provides an environment of wellbeing for your cat, with fine microgranules that cover and seal up to 99% of solid and liquid waste. *Ever Clean Total Cover lasts 20% longer than Ever Clean Extra Strong Clumping Unscented Multi-Crystals combines Ever Clean’s unscented clumping clay litter with super absorbent crystals that provide extra absorbency for cats with urinary problems.   An unscented variant of Ever Clean’s extra strong clumping formula that locks in malodour and reduces crumbling for cats sensitive to scents.