... 5lbs Protein Powder, with Light, Humidity and Oxygen Resistance Food BagsFood bag for 5lbs protein powderMaterial: PET/AL/PEBag style ... and recyclable material, environment-friendlySupply period: all year roundMain products: Food bags for coffee or coffee beans, spices, sauces, meats, ... : stand-up, zipped, heat-sealed, heat-cut, quad-sealing, cold-cut, blown, sealed in the middle, three-side-seal, with ...