HP-2F5 Ambulance Wheeled Chair Stretcher Collapsible For Ambulance1. It can be folded as a wheelchair used in narrow places like elevators,etc. 2. It is equipping with adjustable Strong Plastic guardrails with two Straps. 3. The mattress is seamless welded with sealed high density polyethylene coated nylon material, waterproof with thickness 60cm. 4. Adjustable two stage I. V. Stand, The length can be adjusted to 80cm. 5. Two handles controls the folding leg System 6. The stretcher should be firmly locked after