Premium Material: These polyester films are made from food-grade laser films PET and CPP, non-toxic, odorless, durable, and not easy to tear or damage. The bag features a glossy surface and a transparent front to showcase products. It is reusable and safe to use. Strong Seal: These resealable sealed bags are designed with ultra-durable plastic ziplock bags. The sealing strips are very tight, effectively preventing water, moisture, dust, and odors, keeping food dry and items organized. They can be resealed and reused. Multiple Size Options: We offer 3 sizes of aluminum foil bags for your choice: 6x10 cm/2.4x4 inches, 10x15 cm/4x5.9 inches, 16x24 cm/6.3x9.4 inches, which are sufficient to meet your various needs and accommodate all kinds of food. Note: Please ensure you have the correct size before purchasing. Thoughtful Design: There is a small hole at the top of the holographic packaging bags, convenient for hanging and storage. The bag's surface has a small cut, designed for easy tearing. The holographic silver back and transparent front allow you to clearly see what you are storing. Widely Used: These Mylar ziplock bags are highly suitable for parties, camping, and travel. You can use them to seal candies, cookies, nuts, coffee beans, grains, etc., making them easy to carry. They are also suitable for home, office, and schools, and can be used to store bracelets, necklaces, electronic accessories, dried flowers, etc.