VIVO Arm Rest Solutions: We create affordable ergonomic solutions to help transform your unique workspace! This product adds an additional platform 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 an armrest offering 90° swivel and 360° rotation. Also, enjoy 2.5' of smooth and simple height adjustment along the extended and multi-jointed arm