Important quality control
* Available with 8 pins
* x-ray translucent
* Slick surface for easy transfer, convex underside for quick hold up 
* One-piece
* Impervious to all bodily fluids and easy to decontaminate
* It is buoyant, and if by dint of other floating tools can bear one patient on the water
* Color: orange
* Material: high-density polyethylene (HDPE)
* With two black nylon belts
* 2 functions manual
* USFDA, CE approval