The Basics Angelus Mink Oil has long been used to condition and waterproof leather products, helping keep materials soft and supple.  The Uses Ideal for leather, suede, nubuck, vinyl and plastic. The Advantages Very useful for the maintenance of vinyl and plastic, helping to keep the materials soft and supple. The Specs Available in 8 oz. bottle. The Bottom Line Its outstanding waterproofing capabilities is the chief characteristic that separates this oil from other leather conditioners.