SIZE : Large Plus (X-Large) recommended for all average and low height people. PRODUCT DIMENSIONS : Measures 38x29.5x15cm/ 14*9x11.6x5.9 inch. FOAM COMFORT LEVEL : Memory foam features not too hard, not too soft, with moderate resilience. Fabric : Made Polyester blend bird eye breathable air mesh fabric. SUPPORT FOR HEAD, NECK AND SHOULDER & RELIEVE FATIGUE: Ergonomic design fills the gap between head and neck, with a slightly concave center of (valley) to fit your cervical vertebrae. WHY CHOOSE There is typically a large gap between seat and your head, neck, shoulder which leads to back pain, muscle tension, stress and fatigue. ERGONOMIC DESIGN Maintaining cervical curvature, head and neck and shoulder and fill the gap between the seat. LIGHTWEIGHT AND PORTABLE FOR ON-THE-GO COMFORT Simple to use a solution for sitting comfortably and maintaining good posture and it provides all the support. Package include : 1pc headrest neck pillow Dimension : Measures 38x29.5x15cm/ 14*9x11.6x5.9 inch