Stage 1: Breast Fed/Formula Fed. Triple barrier. Odor-proof protection. Triple barrier film contains technology that works to eliminate diaper odors! The pleasant fragrance leaves your Diaper Genie System and nursery smelling fresh and clean. Stage 1 - Infant Film has been developed for when your baby is breast fed or formula fed. When baby starts eating solid foods, try Diaper Genie Stage 2 - toddler film for odor-proof results. Made in the U.S.A.