The Rifton Pacer gait trainer provides support in learning to walk, maintaining momentum, and building muscle skills.

This gait trainer is size medium.
Maximum user weight is 150 pounds.
Elbow Height range is 24-34 inches. Measure the vertical distance from the bent elbow to the floor while the user is standing upright.

The frame weighs 15 pounds and does fold up.
More dimensional information at http://www.rifton.com/products/mobility/pacergaittrainers/dimensions.html