To make waxed cotton you will need to make waterproofing wax and waterproof the cotton fabric. To make the waterproofing wax you need 9 oz. paraffin wax and 1 oz. beeswax. Melt and mix both waxes. Let it solidify overnight. Prepare the fabric to be waxed. With your hand get some waterproofing wax and rub it into the fabric. Melt it down with a hairdryer. This tecnique should be repeated three times.