100% Genuine (the seller guarantees the authenticity of the product) Wears up to 16 hours Built-in sharpener for precise lines Waterproof Product Description America’s #1 longwear eye liner glides on effortlessly for drama and definition.No matter what your day holds, the waterproof formula will keep you covered. This product from Revlon adds spark and defines your eyes perfectly to let you enhance your look. Brand Revlon SKU RE862HB0J4YJONAFAMZ-226332 Model REV73406