ACTA-BACK 19-21 W/C The ACTA-BACK 19-21 W/C is a comfortable and supportive back support designed to provide relief from back pain and improve posture. With a weight capacity of 300lbs, this back support is suitable for a wide range of individuals. Weight Capacity: 300lbs Unit Weight: 6.4lbs Thickness: 2.5" Moldable Inserts: Provide customized support and comfort Compass Hardware Included: For easy and secure attachment Comfort-Tek Fabric: Breathable and moisture-wicking for all-day comfort Whether you're sitting at your desk, driving, or engaging in other activities, the ACTA-BACK 19-21 W/C helps you maintain proper spinal alignment and reduce strain on your back. Its adjustable design and moldable inserts allow you to customize the support to fit your individual needs.