Orthopedic sciatica pain relief lumbar back rest for chair. • Ventilated seat for home office (Black). • Massage beads design for comfort and good support. • Breathable mesh design keeps your back cool. • Practical design suitable for car, truck, wheelchair, plane, couch. • Portable and easy to install as a back pillow. • Provides relief from back aches and unwanted pressure. • Premium comfort for office and kitchen chairs. • Small size allows for extra bliss when traveling.