The convenient pen-like applicator of this product ensures precise and targeted treatment of ink stains, making it an ideal solution for effectively addressing even the most stubborn marks. Suitable for use on leather, vinyl, and fabric surfaces, it offers versatility in stain removal. However, it's important to note that it should only be used on leathers with a top-coat finish, and caution should be exercised when applying it to other surfaces like clothing and furniture. Compact and easy to carry, this product is perfect for on-the-go stain removal needs, offering convenience and efficiency whenever and wherever stains occur.