The Cybertech 1000 Black Chair Back/Low Profile Support System in size XL is designed for adult use, specifically with a focus on stabilization of the back area. Made of nylon and PE foam materials, this back brace and lumbar support by Cybertech aims to provide comfort and support and velcro adjustable for those in need of orthopedic assistance. The sleek black color adds a stylish touch to the overall design, making it a practical and functional addition for those seeking relief and mobility in their daily lives. Item barely used. Item in great condition and sanitized. Item ships within the US only. Item comes from a non-smoking and pet-free home. Please check out my 100% positive feedback! 😃 Retail cost $500.