What better natural, waterproofing material to use for waterproofing than lanolin, from wool? Designed by nature to keep wool-bearing animals dry, lanolin is commonly available at pharmacies, anhydrous lanolin usually comes in a tube.
Most waterproofing sealants give off toxic, petroleum-based volatile organic chemicals.
Directions for using anhydrous lanolin
Just rub the anhydrous lanolin on boots and camping equipment.