VIVO Arm Rest Solutions: We create affordable ergonomic setups to help transform your unique workspace! This product adds 2 additional platforms for arm and elbow support and is designed for both right and left-handed users. Fully Adjustable: Find the posture that's comfortable for you with these armrests offering 90° swivel and 360° rotation. Also, enjoy 2.5' of smooth and simple height adjustment along the extended and multi-jointed arms.