The 2PcsL'Oréal Paris Voluminous Butterfly Mascara in Blackest Black is a liquid mascara formula that promises to provide volumizing effects to the lashes. With a waterproof feature, this mascara is designed to withstand water and sweat, making it a practical choice for everyday wear. The set includes two 0.21 fl oz tubes of mascara, allowing for long-lasting definition and bold black color to the lashes. Perfect for those looking for a mascara that provides both style and durability.