Ans: No, all the double jogging strollers are not suitable for babies of all ages. Depending upon the kind of the double jogging stroller and depending upon its model, each stroller has a specified age, a specified height, and a specified weight for each child. Some strollers are great newborns, while others are not made for newborns. Some strollers only allow children above the age of six months. So, before you make your decision, pay great attention to the height, weight and age of your children and make sure that they are compatible with the specified height, weight and age of the stroller.