Sisters, not twins. The OG Filla™ brings the collagen, and Filla PWRNAP™ brings the retinol. They're the ultimate duo for long-term volume training for your undereyes. Each Filla™ Set comes with one Filla™ Undereye Volumizing Collagen Pads set, and one Filla PWRNAP™ Overnight Retinol Mask. Got tired under eyes? We've got you covered. Save $6 USD ($8 CAD) when you purchase the two Fillas together!