PACKAGED IN TYVEK: THE INDUSTRY STANDARD for dry food and drug packaging and meets FDA (US Food & Drug Administration) specifications GREAT FOR DRY FOOD AND SPICES and helps prevent your cereal, croutons, jerky, and more from quickly spoiling TOUGH AND DURABLE Tyvek material is lightweight and tear-resistant to minimize breakage AMAZING ADSORPTION and adsorbs 40 percent of its weight in water vapor yet remains completely dry even when it’s fully saturated at its maximum capacity MULTIPURPOSE WITH MANY USES like saving a wet phone, preventing moisture from spoiling important documents, guns, ammunition, ammo cans, toolboxes, clothing, shoes, gym bags, and so much more