1. Our pack bags meet the national standards packaging, for kitchens, offices, business, DIY products. 2. Sealing is good, not easily broken bag. 3. Appearance is good. 4. Material: Plastic 5. Laser pattern transparent plastic pouches ziplock bags with hang hole back silver heat sealable smell proof poly ziplock bags can be used over and over again. 6. Perfect for food electronics stationery ornaments, jewelry, long term food storage. 7. The zip lock bag is easy closed and recycling, can be seal with a heat sealer. 8. Quantity, four colors to choose from.