The Bluestone Outdoor Step cuts the rise in half to help anyone who has trouble walking to step securely into a front or side door. Can be used indoors or out, simply place the step anywhere it is needed. Made with durable weather resistant polypropylene material, this step will assist you in taking a secure step from one terrace to another. Features a large platform that supports up to 440 pounds. A slip resistant mat with drainage holes prevent moisture buildup. This portable step is great for the elderly or for those who have had knee replacements.