RELIEVES BACK PAIN: If you suffer from sitting backache, hip pain or sciatica discomfort our wedge cushion will provide better support when sitting at work, home or while traveling. Works for anyone, regardless of your shape, size or weight. The key is in the unique patented design and material! The cutout shape immediately relieves tailbone pressure - because your bones are in the same place, no matter your size! This has an exponential effect as the relief moves up your spine.