Oh-rings aren't bo-ring! These eco-friendly, paper rings are purrfect for cats of all ages. They can be played with alone or attached to a wand for interactive, fun entertainment. Natural and biodegradable, Oh-rings bring the outdoors in for cats that live within four walls. Attached to a wand, they tap into every cat's need to hunt, thrown across the room allows cats that fetch to easily retrieve their prey or placed on a shelf they entice cats to indulge in their need to knock things over.