1. Applicable Modelsfor Ford KA RU8 2008 2016. 2. quality CushionThis breathable heightened seat cushion is suitable for all kinds of car seats; the material is made of quality materials and adopts a slow rebound design to relieve the pressure on the coccyx/tailbone and maintain a healthy driving posture. Even if you sit for a long time, it can easily to its original shape, providing you with maximum support and comfort. 3. Expand Driving VisionThe car driver's seat memory foam can raise the seat height can be used as a seat lifting tool to enhance your driving vision. This car seat cushion can also help the driver maintain the correct sitting posture and spinal alignment for a good driving experience. 4. Comfortable and Breathable in All SeasonsThis coccyx orthotic seat cushion adopts breathable fabric, the surface can prevent sticky heat, and achieve air circulation, ensuring cool and dry comfort. The bottom and sides are made of nonslip material, which will not damage your car seat, while firmly fixed to the seat without sliding.