Oxford and PVC fabric, reinforced shoulder straps, headrest, headrest, built-in inflatable airbag, strong, soft and dry. Quick Controls Whether seated or forced The two sets of waist belts keep you comfortable and you'll have half the buoyancy to keep you cool all day, whether you are completely lying down. The rear seat and flexible backrest can be adjusted together as needed for easy use while traveling. Just give the airbags and put the chairs in the trunk?! Soft and comfortable, with air cushions at both ends. The ergonomic design provides ample support and comfort for swimmers to relax in the pool. The ergonomic binding keeps you cool. Adjust the sitting position or the position with the two sets of belts crossed to find the most comfortable position, whether sitting upright or lying down.