Ø19×1,20 mm. Thickness is made of profile pipes, special electrostatic painted. When turned on, which in our product 65x180cm measure, guide bearings are designed to be used as a camp bed or beach chairs. Easily achieved simply by folding portable. Optionally in the bow 3 as positioning pegs allowing to use is available. It is made of waterproof oxford fabric. Fabric bottom, pils (polyethylene fabric) has been strengthened and are reinforced with polyester yarns.