The Emergency Evacuation Standard 2-wheel stair chair, comes with a heavy-duty orange vinyl protective cover that is durable and easy to clean. It features 3 heavy duty quick release restraint straps to secure individuals during transport or while moving the patient up or down stairs. This stair chair also features 2 - 5? rear wheels that make for easy transport on most surfaces. The front and back handles allow for easier handling. The back two handles are used to support the chair while moving the patient and are non-locking for an upward lift. The front two handles telescope out and lock into place to provide the best possible leverage when lifting the patient. The 3 safety straps should always be used while a patient is in the chair and it is recommended to always use the standard 2-wheel stair chair with two people for added safety. Weight capacity per chair is 350 pounds.