The air chambers supported by STU-8 allows for the rescue of people jumping from a height of up to 8 meters. It is a holding team of only 6 people. The cylindrical cells are arranged by manually pumping air that enter through the bottom part area. The cushion is flatted within 30 seconds and 10 seconds interval after each jumped. The upper floor has a diameter of 3.50 m, 3.20 m of which as a stepping field work. The center is marked with a red target and the brim with red triangles.
At the bottom edge there are six foot straps and reflective strips system.
