PetZen DogTread Dog Treadmill, Up to 30-Pounds, Small 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 ( 0-5 mph), Distance and Time; Pre-Program Workouts Durable, portable, SlimLINE design Saves Space on its side or nose Run Area: 30x14 inches; Product Dims: 44 x20x21 inches; 47 lbs; Some Assembly