Review on Backjoy Posture Seat Pad: Ergonomic Pressure Relief, Hip & Pelvic Support for Improved Posture in Home, Office Chair, Car Seat - Core Lux Fit for M - XL Hips by Isaac Maze

For reference only I'm 5ft 9in and 190lbs. Before getting this pillow I was using the ComfiLife Gel Pillow for Sciatica which worked for a while but lost its support after about 6 months. I had terrible back pain and pain shooting down my leg from sitting in a computer chair all day, every day. At first I didn't want to take Core Lux. It was expensive and there were a few reviews saying it did absolutely nothing, but gosh, I'm glad I bought it. After buying Core Lux and using it for about 4 days, the discomfort in my hips and back is almost gone. The first day was tough. I've been fidgeting all day trying to figure out how to use it properly. I thought it didn't work a bit. Then I found a video of how to sit on it and put a pillow on a chair. just wow. Huge difference. The ComfiLife pillow is second to none when it comes to pain relief. Warning. While this pillow is very comfortable, it is NOT designed for comfort. Its purpose is to align your hips and lower spine, and while it does an amazing job, you still need to pay attention to your sitting posture. While it supports the right areas, if you don't activate the muscles needed for good posture during use, it will NOT help you. It is a posture aid and will not magically give you good posture. However, it will make achieving good posture much easier. If you buy a cushion: When you sit on the cushion, make sure that the recess on the rear "handle" does not touch the back of the seat. Make sure the hole is under your tailbone and the buttocks are right after texturing the rubber, but not directly over the rubber. The front of the pillow should reach mid-thigh. When the cushion rests on the rubber screen of the plastic base and your feet feel supported, you are sitting correctly. Just adopt the right posture and you're done. Once you get used to the position it's supposed to be in and if you want to easily flop onto the pillow, simply place it in place and press the front down so the plastic area is flat on the bottom of the chair. Sit in it and you're good! No need to fidget.