These bags are extremely durable! They are made of strong Mylar and have a single layer thickness of 4 mm, providing protection from moisture and light. The bags have a reclosable zipper top and can be made tamper proof with a heat sealer. We recommend the FS-200 Impulse Sealer. (Mylar) Ziplock Bags Packaging: Pharmaceutical, Drugs, Herbs, Food, Jewelry, Materials Materials: Laminated Material – PET + VMPET + PE Feature: Opaque Security – Tamper Proof (Heat Seal) – Zipper Top – Tear Notch Additional Features: Air Tight, Preserve Foods, Smell Proof, Light Resistant, Moisture Free, These specialty bags are really useful for many things. You can keep food fresh, store seeds, nuts, bolts, coffee tea & sugar. Definitely a very handy resource in the kitchen, shop and workplace.

Product Features

• Food Grade, Storage Bags, Insulated, Snack, Sandwich, Mylar, Aluminum, Foil, Pouches
• Ziplock, Ziploc Zip lock, Heat Seal, Tear Tab, Notch, Sealable, Metalized, Tamper Proof, Durable, High Barrier
• Moisture Free, Oxygen Barrier, Air Tight, Anti-Static, Survivalist, Preserve, UV Blocker, Light Sensitive, Seeds
• Coffee, Herbs, Marijuana, Flower, Dispensary, compassionate care, Tea, Dried Goods, Spices, Pharmaceutical, Powder
• Strong, Tuff, Thick, Freezer, Gallon, Snack Size