🌟 Seal in Freshness, Unlock Longevity! Enjoy over 100 years of food preservation with superior oxygen barrier technology. Crafted from 7 Mil Mylar, these bags withstand the test of time and elements. PackFreshUSA promises a full refund or replacement if you're not completely satisfied. Easily seal with a vacuum sealer, iron, or even a hair straightener for ultimate convenience. Seal-Top feature allows for easy access and resealing after opening. 140 psi strength resealable design 7 Mil thickness The Pint AirTight Seal-Top Stand-Up Mylar Pouch Bags are designed for long-term food storage, featuring a robust 7 Mil thickness and a resealable design. With a burst strength of over 140 psi and an oxygen barrier that ensures over 100 years of protection, these bags are perfect for preserving your food against moisture and oxygen. Each pack contains 100 bags, making it an ideal choice for those looking to secure their food supply with confidence.