smartboxlitter.com
Our lightweight clumping litter with Healthmark™ Technology is 99.9% dust free, low tracking and has up to 30 days of odor control. Derived from corn, our litter pellets provide a more sustainable alternative to clay or crystal litters and are fully flushable**. Smart Box™ contains a mix of corn fiber pellets and color-changing Healthmark™ pellets that help detect potential health issues early. See what they can't say.