The Whaly 500R80 Professional is even stronger than the “normal” 500 model! The Whaly 500R Professional has a foam layer on the inside of the boat, Polyethylene + Polyethylene foam layer, High grade , UV-stabilised Polyethylene (PE), this will be the preferred choice for Professional use as a Work boat or for Rescue operations. Whaly’s, well thought-out design, which emphasises strength and stability, offers many options. Load capasity 980kg with large space which is great for work and rescue boats!