Nano Waterproof Agent SprayHIGH TECH PROTECTION FOR ALL MATERIALS: It acts like a sprayable membrane with an extreme beading effect and provides long lasting protection against penetrating moisture, extreme wetness and dirt. MAINTAINS BREATHABILITY: Despite the highly effective impregnation ability, the breathability given by the treated product is retained entirely without loss. EXTENDED DURABILITY: Regularly applied, the spray clearly extends the life of shoes, sneakers,