Yeowww! Sour Pusss! Lemon - When life gives you lemons...YEOWWW! The heck with lemonade; give them to your cat! Each Yeowww! Catnip Lemon has absolutely no cotton fillers - just 100% organically grown, intensely scented catnip. Your cat will do back flips over this Yeowww! Catnip Lemon.