PetZen DogTread Dog Treadmill, Up to 50-Pounds, Medium Dog-specific treadmill designed for the way a dog learns, thinks, and moves Open Stride low-profile running platform reinforces and aids in proper gait form Programmable Speed ( 0-7 mph), Distance and Time; Pre-Program Workouts Durable, portable, SlimLINE design Saves Space on its side or nose Run Area: 47x17 inches; Product: 62 x24 x19 inches; 85 pounds; Minimum Assembly