BCushion-Rx Patent Pending Premium 3-layer Memory Foam Seat Cushion with Cooling Gel ReviewbP PP Cushion-Rx Patent Pending Premium 3-layer Memory Foam Seat Cushion with Cooling Gel PHIGH-DENSITY MEMORY FOAM: Originally developed by NASA for reducing pressure on astronauts during lift-off!P"THREE-LAYER CONSTRUCTION" DOES THE TRICK: Only this patented cushion is made with 3 layers - Cooling Gel top... Self-Molding Temperature-Adjusting Memory Cell Foam... and a third layer of full-support comfort foam.PCONTOURED FOR PAIN-RELIEF: Reduces pressure on your coccyx, tailbone, and hip bones while you're sitting - promoting the ideal natural "cervical curve" of your spinePFEEL COMFORT IN ANY CHAIR: Take on trips and make your car seat or airplane seat much more comfortable! Works easily well for wheelchairs and scooters!PBACK PAIN RELIEF: Specially designed to target lower back pain, numbness, and pressure sores. Promotes healthy weight distribution, sitting posture, and spinal alignment.