Memory Foam Seat Cushion - Back, Coccyx, Sciatica and Tailbone Pain Relief, Non Slip Breathable Orthopedic Seat Cushion Tailbone Pillow for Office Chair, Car Seats and Wheelchair by iDOOcotton HIGH DENSITY FOAM & MICROTUBE TECHNOLOGY Micro tube fillings and high density foam keeps its shape. Breathable plush fabric stays cool and comfortable. This seat cushion is firm and retains its shape after prolonged use for long lasting benefits. UNIQUE DESIGN Unique orthopedic design naturally aligns your pelvis and spine, and relieves tail bone pressure. Center cutout absorbs and distributes body weight, allowing you to sit comfortable in any