Relax Armchair with Black Cushion Cover and Wooden Frame Layer-glued bent birch frame gives comfortable resilience. The cover is easy to keep clean as it is removable and can be machine washed. To sit even more comfortably and relaxed, you can use the armchair together with a PONG ottoman. A variety of seat cushion designs makes it easy to change the look of your PONG chair and your living room. The high back provides good support for your neck.