1.The South Korea waterproof nylon material with brown cowhide. 2.aluminum alloy bars 3. inside the cotton cloth 1.South Korea nylon fabrics collocation fabrics using brown leather, strong waterproof and good quality 2.Cowhide handle place, knit line rivets reinforcement, convenient for the carry. 3.Aluminium alloy of tension bars, fluctuation horn retractile 4.Extended level design expand ...