The KONG Wobbler is an action-packed toy that is a mentally stimulating food dispenser. The KONG shaped toy sits upright until nudged by the dog’s paw or nose, dispensing tasty rewards as it wobbles, spins and rolls. The unpredictable movement stimulates natural instincts keeping even the most seasoned users challenged. The KONG Wobbler can also be used as an alternative to a dog bowl to help extend mealtime while providing exercise for your dog. Trying to get your dog to lose a few unwanted pounds? The KONG Wobbler is a great way to keep dogs moving while making them work for their food. Unscrews for easy filling and cleaning. Use the large Wobbler for medium to large-sized dogs Features Action packed food-dispensing toy that provides mental stimulation Entertaining wobble sparks dogs curiosity engaging over time Allows dogs to work for their food; engaging in natural instincts Dishwasher safe; unscrews easily for filling Made in the USA Size Small - For dogs up to 12kg, Approximately 15cm high, treat dispensing hole approx 1.8cm, Holds 1/2 cup of food Large - For dogs over 12kg, Approximately 19cm high, treat dispensing hole approx 2cm, Holds 1 cup of food