Eco-friendly waterproofing solution for rugs. For easy treatment of all lined and unlined horse rugs. Ideal for breathable materials, preserves all technical properties. For best results, wash first with Nikwax Rug Wash. Nikwax Rug Proof can be applied by machine washing or hand washing, or can be applied manually with a sponge. Nikwax products are water-based, eco-friendly, biodegradable, flame-resistant, not tested on animals and 100% free of fluorocarbons. One bottle contains enough for two rugs. 1 l.