● Aluminum alloy frame ensures its high quality and stable structure● Widened seat cushion provides soft and comfortable using experience● 7-level height-adjustable support feet from 42" to 48" according to your height● 4-level adjustable double-arm support design maintains the balance of your body● 5" wear-resistant wheels and sled-style foot mats are suitable for various roads● One-click folding design makes it easy to fold with one hand● Lightweight and foldable design for easy movement and carrying● High load-bearing capacity up to 330 lbs IMPORTANT NOTE: Don't screw the wheels too tightly or they will get stuck and won't turn.