This is directly from the Kiwi website--> "KIWI Camp Dry heavy duty water repellent spray provides long-lasting protection while allowing leathers, canvas, and nylon to breathe. The spray contains a high level of silicone for optimum protection and is odorless when dry"
Directions
Article should be clean and dry. Spot test light-colored leather and canvas for color change as silicones may impart a slightly darker, richer tone.
Use in a well-ventilated area away from heat and flame.
Hold can upright 7 to 10" away. Spray entire surface area evenly with a light coat. For maximum protection, apply a second application after 4 hours.
To thoroughly cure, allow article to dry in a well-ventilated area for 24 - 48 hours. When thoroughly cured, article will be odorless.