1. Packaging & Consumables (Tamper-Evident)These inner seals ensure product freshness, prevent contamination, and alert consumers if a product has been opened before purchase.Induction Seals: Common under-cap seals made of aluminum foil and plastic that are melted to the rim of bottles.Shrink Bands: Plastic sleeves wrapped around bottle caps and necks that must be torn or broken to open the container.Peelable Membranes: Foil or paper glued across the opening of jars or tubs (e.g., yogurt, medicine bottles).2. Logistics & Shipping (Indicative & Barrier Seals)Used to secure cargo doors, utility meters, shipping containers, and emergency kits during transit.Indicative Seals: Usually made of lightweight plastic or thin metal.