Yeowww! My Cat's Balls are stuffed to the max with 100% organically grown catnip, from the genus Nepeta plant of the mint family. Irresistible to cats of any age, Yeowww! My Cat's Balls are over 3" long and stuffed with nothing but catnip inside. Yeowww! My Cat's Balls are all-natural constructed of heavy duty cotton, colored only with natural vegetable or soy based colors, and has absolutely no stuffing or filling on its inside. Just pack with pure, lose leaf Yeowww! Catnip your cat will fall in love with for hours on end. Your cat will go crazy when they get close to this addicting cat toy. Made in the USA!