Use this pack to refill your pop gun and maximize the fun with a feather ball! It can be used alone or with the gun. The pack contains 1x catnip ball and 1x catnip feather ball. These long-lasting and super potent balls are made with 100% American Catnip. They are great for playtime and bonding with your furry feline. Blast away boring toys today with these exciting balls! The diameter of the ball is 3.5cm. Please note that this toy is not indestructible, so all pets should be supervised when playing. Replace the toy once it is worn out.