The JR Willow Fruit Ball for birds is a great little toy and treat in one. The ball is made from natural willow twigs and filled with a mixture of delicious, healthy millet and fruits. Your bird will have to work hard pecking away at the willow branches before it can get at the treat inside. The willow ball will keep it amused for hours and will also help to keep your pet’s beak nice and short. There is a metal chain and snap lock for easy attaching to the cage.