Adjustable Treat Dispensing Toy Large Chamber Fits Whole Meals Weighted Bottom Wobbles. New Adjustment Gate On The Bottom Accommodates A Larger Kibble Size And Is Easier To Adjust The Package Width Of The Product Is 5.4 Inches This New Smaller Size Has All The Adjustability Of The Original Bob-A-Lot. Large Chamber Fits Over A Cup Of Food For Mealtime Feedings. New Adjustment Gate On The Bottom Accommodates A Larger Kibble Size And Is Easier To Adjust. Note: Size - Capacity - Pet Weight / Small - 1 1/2 Cup - Under 20 Pounds / Large - 3 Cups - Over 20 Pounds