Get Certified in Strollercize, Indoor, Outdoor, Business. Get Certified to use The RollerSizeR with your classes, one to one clients and in your Stroller Fitness classes. Get stuff we sell to our trainers! All of our Certified Instructors get a discount code to purchase "stuff", extra credits, gear and they are allowed to give to their clients their discount code.


    Great trainers have good support. We want our instructors to be the best.