Light but Mighty Philosophy: We believe you should experience lightweight litter without compromising on performance. Boxiest Air litter is light on what you don't want but mighty on what you need. Airtight clumps lock in odors, scoop easily, and don't stick. Enjoy a super clean litter box while saying goodbye to weight, odors, and dust. Air is plant-based, renewable, sustainable, USA sourced, and made without clay. About This Formula: It started with a question: what does a cat track out of the litter box? BoxiePro's boosted blend of probiotics deep clean your litter on a microscopic level 24/7, so your cat won't spread unseen waste to kitchen counters, beds, and other areas of the home. BoxiePro's also prevents odors, helping to keep your home fresh and odor free. Cleaner Paws = Cleaner Home is about peace of mind and a more hygienic home for your family.