Fecha de publicación: 12/01/2023 Fuente: Wipo Milk or dairy products The present invention relates to a bag with overtape sealing for protecting against the risk of moisture and contamination, and therefore provides longer shelf life. The bag (100) with overtape sealing comprises: - a bag body (102) formed by a bag sheet for containing products, where the bag body (102) comprises a first-opening portion (104) and a second-opening portion (106) located opposite to the first-opening portion (104); - an overtape (200) provided on the first-opening portion (104) for heat sealing, where the overtape (200) comprises an outer layer (202) and an inner layer (204); wherein the inner layer (204) has lower melting point than the outer layer (202), where the inner layer (204) formed by polymer composite comprising a blend of propylene-based elastomer, polyethylene (PE), and polypropylene (PP).