Milani Cosmetics Stay Put The Tank Liquid Eyeliner is wonderfully waterproof formula that delivers intense black color in one stroke. Engineered expertly, it features a unique storage tank that keeps all air out of the product. Shaker ball inside the tank for even application. The formula stays fresh, giving you intensely black pigments. It glides on smoothly, never skips and dries down fast. This liquid eyeliner is intensely pigmented that provides long wear for up to 12 hours without clumping or smudging. This product is vegan & cruelty free. Cruelty is never captivating. At Milani, it is believed that bold beauty should never come at the cost of animal testing. That's why the product is 100% cruelty free, as certified by PETA. Always. Products are never tested on animals.