ERGONOMIC DESIGN: Unique size and design promotes posture improvements and provides relief to sciatica and back aches and pains. MULTIPLE USES: Not only for use with wheelchairs, these cushions are ideal for use around the home, in the car and the office. READY TO GO EVERYWHERE : Each cushion has a travel ready handle and storage pocket. Making it perfect for road trips and while traveling on long flights. Take pain relief and comfort on road trips and vacations.