Dear friend, Welcome to our store. We hope you can find what you like in our store. This stair chair is designed to help transport patients or loved ones through tight spaces and up or down stairs, safely and efficiently. It can also be used temporarily as a wheelchair thanks to its 4 castors. The study aluminum frame is strong enough to hold up to 160kg 350 pounds, yet surprisingly lightweight. Three adjustable straps with quick release buckles ensure the patients comfort and safety. Non slip grips on the rear and front handles help maneuver the aluminum Stair chair easily. Compact folding allows you to stow the Stair chair without taking up al to of space. Specifications: Material: aluminum alloy PVC Load capacity: 160kg 350Ibs Seat belt: yes Expanded size (LxWxH): 36x20x36inch 91 51 91cm Folded size (LxWxH): 23x6.7x36inch 59 17 91cm Net weight: 17lbs 8kg Color: black (firm seat and back) Package Contents: 1 x Stair Chair Please Note: Since the size is manually measured, there may be a slight deviation, please understand. Due to different monitors, there may be slight color differences. Please refer to the actual product received. If you have any questions, please feel free to contact us. We will get back to you within 24 hours.Convenient Transfer: 4 ultra-quiet rubber casters, these rear wheels have brakes that allow the operator to easily transport individuals on a flat surface to safety, it can also be used temporarily as a wheelchair. Non-Slip Telescopic Handle: Handle anti-slip design, retractable handle on the front, the two handles can be extended and extended to lift the people and ensure the safety of the up down stairs. The rear handle foldable design is easy to unfold to push the people or use as another lifter's lever. Safety Protection: The advanced EMS stair chair is equipped with 3 adjustable quick release straps to secure the individual during transport and move the people up and down the stairs. Foldable Design: Save space, easy to fold or unfold the stair chair, suitable for room or ambulance. Expanded size: 36x20x36 inch Folding size: 23x6.7x36 inch. Material: Made of industrial grade aluminum alloy, lightweight about 17lbs, load 350lbs, stair chair has high strength and no deformation after long-term use, the seat is made of PVC material, corrosion resistant and easy to clean.