These aluminum foil bags are designed to protect and preserve a wide range of contents with reliable barrier performance and convenient usability. - Extend storage time: These bags feature an aluminum-foil inner barrier to prevent air exposure, helping to keep contents fresh for longer. The Mylar inner layer further supports extended shelf life. - High-quality and moisture proof: The high-density Mylar inner provides tear and puncture resistance, reduces leakage, and offers odor and moisture protection to meet varied storage needs. - Multi-purpose use: Ideal for vacuum sealed packing, storing, sampling, and sorting different foods and items, including coffee beans, candy, sugar, rice, cookies, chocolate, tea leaves, seasoning, snacks, grain, jerky, nuts, dried fruit, dried flowers, grain cereals, leisure food, decorations, electronic components, and more. - Heat sealable and resealable with zip top: The bags are heat sealable for complete protection and feature a resealable zip top with easy-open tear notches for convenient access. Use scenarios: - Long-term storage of coffee beans or tea leaves in a pantry or cabinet to preserve aroma and freshness. - Storing and organizing snacks, dried fruit, or seasonings for home, office, or travel, with portioning and easy access. - Keeping small components, electronics parts, or decorative items dust-free and organized in a workshop or craft area.