éCollonil Nanopro is the best high-tech protection available today. Based on Nano Technology it shields leather with a protective covering and allows leather to breathe. Regular use optimises protection. We recommend Nanopro for all your leather, textiles, High Tex garments. Protects effectively against dirt and moist penetration. Use regularly leather surface looks like new much longer. Ideal for all outdoor garments and equipment. Available in 400 ml aerosol sprays. TUV certificate.é