This bestselling Lumbar Support Back Pillow is ergonomically designed to provide all day support to help relieve lower back pain from sitting and promote good posture. Our back support pillow helps align your neck, back and hips and improves your posture by helping you sit upright. Proper posture in turn helps alleviate and prevent lower back pain. Recommended for: Anyone spending long hours in a seated position, Frequent travelers, drivers and those taking long commutes. Lower back pain due to prolonged sitting. Neck & shoulder pain from working long hours at a computer. Improving posture. Recommended by Chiropractors & Physiotherapists. Research shows that lumbar support cushions improve posture and comfort to ease low back pain. If your desk chair has no decent low back support, you tend to sit in more flexed position which causes stress on your lower back tissues, tires your muscles and results in lower back pain. Chiropractors recommend lumbar support pillows to prevent this slouching and in turn significantly relieve low back pain from sitting. Durable, Portable & Adjustable 100% High-Density Cut Memory Foam is durable and provides long-lasting comfort which is superior to competitors. Our adjustable strap makes it easy to fit on all chairs and it allows you to adjust up and down for the perfect fit. Breathable & Easy to Clean Cover: 3D Ventilative Mesh allows the air to flow through to keep cool while sitting and driving. This pillow is designed with a breathable zippered cover that reduces heat buildup on your back. Product Dimensions: 15 x 12.5 x 4.7 inches.