The PETFAVORITES Furry Rattle Ball Cat Toy is made of super soft and lightweight crystal velvet texture, feather tail, a rattle noisemaker and catnip inside, cozy and safe for kitty to play. These feather rattle balls measure 2″ in diameter (excluding the feather tail), easy for cats or small dogs to bat, roll, chase or fetch. You kitten will go crazy with these furry cat ball toys with feather & catnip that make a rattling sound, perfect as birthday, holiday gift set or everyday cat training toy.