SolarFairy 100W Portable Foldable Solar Panel Charger Kit 18V DC Output for Portable Jig Saws Rolling massage with Adjustable 8 inches wide by Rolling massage with Adjustable width on back Easy for users to sit down or lie down with buckle With footrest to put your feet on and fully relax your muscle Soft and high density sponge provides you with a comfortable sitting experience Wide armrest and curved backrest to benefit your waist and back High quality metal brackets to ensure high stability and sturdiness Extra storage space allows users to place different things 2 round cup holders make it more convenient to use Suitable for various places and maximizes its charging speed while protects your devices from over charging and overloading the size is only 9