4 ADJUSTABLE LEVEL SETTINGS - The lumbar support has 4 different settings to fully stretch and relieve pain in your lower back, shoulders and back muscles. Simply use for 5 minutes twice a day for best results. Back Pain Relief & Posture Correction - Preventive lower back and posture care. Daily activities that involve prolonged computer use, sitting all day, or physical activity can lead to spinal and postural imbalances. Back stretchers and lumbar supports are designed to help correct and improve posture. High Quality Materials - Can support over 250 lbs. Simulated finger massage, acupuncture touch, high quality PP material, durable, with 150 massage contacts. EASY TO USE - Designed for all ages. Easy to install and easy to use. Lightweight and portable. Perfect for traveling with you, at home or even in the office Folds flat for easy transport in a suitcase Colour: green-4 levels of green acupuncture (38.5 x 25 cm).