Idrostop Spray - Ho131 Waterproofing. SPRAY Well-matched to convertible tops, seats and floor mats Formulated based on Nano-Tech Protection technologies It does not alter the color of the surfaces Idrostop is the waterproofing spray for auto fabrics with an extraordinary water-repellent effect. Well-matched to convertible tops, seats and floor mats, it protects surfaces from external environmental dirt and accidental dirt such as drinks and oil. Thanks to the special formulation based on Nano-Tech Protection technologies, Idrostop is able to prevent the deposit of liquids on fabrics, preventing the formation of mould. Idrostop does not alter the color of surfaces and is easy to apply. *By request/order.