I’m a 5′ 11", 220+lb male and have been using the product for a few weeks now. I use the product in the chair at my computer. The straps included are excellent and have sections that may be removed or added as you please to make it so that you can adjust your cushion for use on a standard sized chair or even something much bulkier, such as the seat in your car. This has helped my lower back discomfort some. It does lose some of its support and form over time, but I suppose that’s to be expected of most any product of this type. ..More