This lumbar support cushion is ergonomically designed to fit the streamline of your spine curve, contoured design effectively helps realign your back, hips and spine, it can sufficiently alleviate the pain, fatigue of lumbar, vertebra area. The memory foam lumbar cushion gently keeps your spine in proper alignment and supports your lower back natural curve to help you sit up confidently and maintain healthy vibrant posture. Memory foam seat cushion assists natural hip alignment and promotes healthy posture Cut-away reduces pressure on the coccyx, back, and hip bones. Helps relieve pressure caused by long sitting sessions. Features: Supports tailbone and relieves pressure. Provides lower back pain & sciatica relief. Great for office use, driving & traveling Comfort and support for all-day relief. Premium, high density memory foam Contouring surface provides stability, comfort, and helps to offload pressure from the main weight-bearing areas Transforms any chair into a comfy ergonomic seat Breathable and washable mesh cover Carry handle Specification: Back Cushion Dimensions (approx. cm): 32 x 31.5 x 10 Seat Cushion Dimensions (approx. cm): 45 x 35 x 7 (W x L x D) Cover material: 40% bamboo, 60% polyester Filling: 100% polyurethane foam Care Instruction: Hand wash only.