Starmark Dog Treat Ringer Bone Travel the Nina Ottosson Dog Worker

the Nina Ottosson Dog Worker can be filled with treats to exercise your dog's mind

and it can be powered with standard AA batteries ' or it's optionally available with a long-lasting NiMH battery pack that's rechargeable in the unit

it will not work for all dogs because of factors like age

Dimensions: 22" x 22" x 11

This is the easiest

Starmark Dog Treat Ringer Bone Travel the Nina Ottosson Dog WorkerTreat Rings are held in place by inner rod and must be chewed to be removed. Treats also fit sideways into toys between toy wall and inner rod. Treat Ring system encourages chewing. Durable nylon material holds up to even the strongest chewers. Challenge rating 4. 1 out of 5. Edible Treat Ring Ingredients: Rice Flour, Wheat Gluten, Vegetable Glycerin, Gelatin, Water, Natural Chicken Flavor, Lecithin, Carrageenan (natural seaweed extract), Parsley.