Material-Our resealable polyester film bags are made of polyethylene, aluminum foil and polyester film, which are tear-resistant and durable. Color-The back of the aluminum foil zipper bag is white, blue, red, purple, black, green, gray, pink, gold, and the front is transparent so that the product can be clearly displayed. You are free to choose the color you like. You are free to choose the color you like UseThe odor-proof bags can be used to store stationery, jewelry, hair accessories, makeup brush tools, electronic product parts. The transparent window on the front of the bag can clearly display the items. These exquisite bags are also very suitable for wrapping gifts as gift bags for friends, relatives, colleagues and customers. Suitable for home, school, office and small business use. Advantages-The packaging seal adopts a concave and convex pull bone design, which bites tightly, keeps the items dry, prevents food from spoiling, is dust-proof and moisture-proof, and can be used repeatedly. Resealable ziplock bag, easy to seal, labor-saving and labor-saving. Size and Quantity-100 Packing Mylar Bags with Front Freezer Window and Hanging Hole, External Size is 6x10cm; Usable Size is 5x7cm. We offer multiple sizes of resealable Mylar Ziplock Bags. Please refer to the specific size before purchasing to ensure that you purchase the product you need, please rest assured to buy.