Fabric WaxOtter Wax is an all natural heavy duty fabric wax is made from the highest quality beeswax and proprietary blend of plant based waxes and oils. Using Otter Wax is an easy way to improve the functionality and utility of virtually any item. It can be used to revive the waterproofing capabilities of our waxed canvas collars. Instructions: thoroughly clean and dry collar before application rub into fabric to create friction smooth out with fingers to