Cup Holders and Table:The cup holders for keeping your cell phone, cigarette, small cups and other things in place. The foldable table allows you to put larger items like plates. With those, you can release your hands for other stuffs.Adjustable Headrest:These chairs are designed according to ergonomics to reduce muscle tension and stress. The removable headrest could relieve the pressure of cervical vertebra or use as a support of lumbar. You will feel comfortable when you lying down.Easy Locking System:Adjust your chair to a comfortable position, and then turn the plum lock forward to lock the position. You could easily lock the chair in any position with the easy locking system. Premium Fabric:Compared with other materials, Textilene fabric have better breathability and can keep you cool in summer. In addition, this material is soft and male you comfortable.