Double Standard Primer & Mascara Duo™Limit 2 per customer. This first of its kind duo mascara is proof that you really can have it all brown black, length volume, natural glam all in a single tube. Designed for ultimate versatility, you can go from natural clean length to bold and dramatic volume, all with flake free, smudge proof all day wear. Finally, a mascara that does the most for those who do the most. Net weight: 8 mL 0. 27 fl. oz.