(40) new bags - halographic on one side and see-through on the other. The inside size is 7x9 inch, which is the usable size. Outside size is 7.4x10.2 inch, outside size is measurements of the overall size including zipper and side seal. Holographic silver back with transparent front for clear viewing of the items inside! High Quality and Reuseable. Bags are made of PET material, it has tear resistance and durability. Safe and Healthy: PET material with good health and safety, so bag can be directly used in food packaging. USPS and other shipping method approved. Multi-Purpose: these holographic ziplock bags are very perfect for coffee beans, candy, baking, biscuits, nuts, snacks, dried fruits, dried flowers etc. This resealable bags also can be fit for cosmetics, jewelry, soap etc.