The NatureVac Vacuum Seal Bags Aluminum Mylar 15in x 19.5ft (2 Rolls/Box) provide a durable and efficient solution for long-term food preservation. Designed for use with vacuum sealing systems, these multi-layered, aluminum mylar bags remove air to create airtight seals that help prevent moisture loss, oxidation, and spoilage. The reflective aluminum layer offers superior light and od... https://www.hydroponicstown.com/794099-naturevac-vacuum-seal-bags-aluminum-mylar-15in-x-19-5ft-2-rolls-box