Includes:  2 wall units, 2 storage units, 16 bands (4 of each resistance level), 4 handles, 1 bar, 1 belt, 4 ankle straps, & 4 foot harnesses!  Multiple people can train at once with this "Pro" version.   More importantly, it's easier to train both legs at once or use both arms at once with this 2 unit set-up, it's really the way to go for pilates moves!  Please choose belt size, medium fits most adults!  Follow free workouts on the PilatesWall YouTube channel - www.YouTube.com/@PilatesWall