Why Purrin’ Good Bubbles? Purrin' Good Bubbles is the only ALL-NATURAL PLANT-BASED pet bubble solution. Made with 100% catnip oil with no other additives. Rain or shine Purrin' Good Bubbles is a quick and easy way to bring exercise and play to your cat's lazy days. Purrin' Good Bubbles combines enrichment and exercise like no other toy! Engaging natural hunting instincts your cat will smell, track, and chase for a satisfying pop. Purrin' Good Bubbles is the ONLY pet-safe bubble solution free from Sodium Lauryl Sulfate, Parabens, and Polyethylene Glycol.