Efficient at washing, and offering good water repelling characteristics, this product takes good care of your technical apparel. Excellent for membrane apparel (including Gore-Tex, DrymaxX, Sympatex, Texapore etc.). Treating the surface fabric for extra water repellance and keeping the material clean enhances breathability. Package size 300 ml. When impregnating apparel, you can first wash them and then, leaving the wet clothes in the machine, add the proofing agent and start a new cycle. PFC-free and bluesign approved, packaged in a 100% recycled bottle. Ensure your washing machine's detergent or fabric softener compartments don't have residue of other detergents. Close zippers and Velcro tabs.