A 50N Industrial Buoyancy Aid approved to EN393 with reinforced heavy duty cover and heavyweight non-corrosive zip. Buoyancy is provided by closed cell PVC foam which is soft and comfortable to wear. The Buoyancy Aid has been designed to be comfortable and easy to work in thereby encouraging employees to actually wear it. Please note a buoyancy aid will only keep a person afloat in the water it will not turn them over.