Boxiecat Air litter is light on what you don't want but mighty on what you need because we believe you should experience lightweight litter without compromising on performance. AirTight clumps lock in odors scoop easily and don't crumble. Enjoy a super clean litter box while saying goodbye to weight odors and dust. Boxiecat Air is plant based renewable biodegradable sustainable and USA sourced. Boxiecat Extra Strength eliminates odors in two ways. Extra Strength probiotics stop odors before they start immediately targeting odors anytime waste is present. Meanwhile Extra Strength's AirTight clumps trap bacterial and ammonia odors so they can't escape. As an added bonus this formula inhibits increased litter box odors due to rich protein diets.