Side pockets- The side pocket design can meet your mobile phone, watch, notebook and other idle items placement needs. Rotating cup holder- The hidden rotating cup holder can hold your water glass or beverage, so that your beverage can be taken at your fingertips. Hard Armrest- Cotton soft cushion iron tube hard armrest structure, fully support the arm, reduce pressure. Convenient- Lightweight and easy to fold design makes it easy to carry, it can be folded together with the accompanying carrying bag for easy transportation. SPECIFICATION: Open Size: 59 / 53