10 Pieces 3 sizes mylar aluminium foil bags, metallic mylar foil flat ziplock heat sealable bags storage bags pouch for food coffee tea beans Long term food storage bags: Aluminium storage bags are resealable, so you can use them over and over again, can protect the food from moisture, fit for long-time food preservation, storing food products in mylar bags is wise choice for long-term storage. Features: These silver mylar bags with a pure aluminium-foil layer is effective isolation of water and air invasion, to achieve good sealing. Don't waste your time and food with low-quality mylar bags. The Mylar bags are easy to use, you can heat seal with clothes iron or hair straightener. And resealable after opening, allowing for repeated use. We provide 3 different sizes of Mylar bags to help your items into the fit bags. Specifications: Size: 20cm x 30cm / 26cm x 38cm / 35cm x 50cm Quantity: 10 pieces Package includes: 10 x Mylar ziplock bags Pleased note: Please do not put boiling water into Mylar bags. The product is folded and packaged, folded packaging will not damage the food storage bag.