Do you have Lower back tension? Slumping at your desk? Your lower back will thank you when it is cradled by a supportive yet soft Memory Foam designed to relieve tension, unwanted slouching and better seated posture. To amp up the experience, simply click the switch on the side of the cushion to enjoy an invigorating vibration massage. Using 4 AA batteries, the flexibility of this cushion allows you to enjoy it at the home, the office, or in a car. Breathable mesh upholstery promotes air circulation and keeps your lower back cool and comfortable. An adjustable elastic strap is included to keep the cushion from moving when you get up or re-adjust yourself in your seat. So treat yourself today and enjoy an invigorating vibration massage along with added lumbar support with the Lumbar Massage Cushion by Comfort Products Gender: unisex.