Great material,Smellproof Ziplock Resealable Heatseal Bags,these are some of the industries best mylar bags available.sturdy, strong sealing, reusable.Recyclable and durable, non-toxic and tasteless, and not easy to damage.All empty mylar bags are 100% compliant, smell proof, resealable, leak-proof, waterproof and hygienic. Can be heat impulse sealed and made of the highest food grade quality materials.Great for packing and edible snacks like baked goods, nut-fruits, candy, cookies, chocolates, tea leaf, seasonings, coffee beans, herbs, tobacco, grain and jerky.Clean and safe, Keep goods dry and Fresh.Smell Proof Mylar Bags can be repeat used in our life,it can save yours money!It will make the storage thing quickly and bring you good mood.100% SATISFACTION GUARANTEED and friendly customer service. If you have any problems, we're here to help. Interested in buying bulk? message us for more details.