Resealable Design: Featuring a zipper closure, the mylar bag is easy to open and close. With a hanging hole on the top for convenient hanging and storage. Keep Food Fresh: The mylar bags for food storage comes with a mylar design to keep contents inside fresher for longer compared to a regular bag, which effectively prevents moisture and smell from entering to keep food fresh. Wide Ranges of Use: These metallic maylar bags are great for packing, storing, shipping, sampling and sorting. You can put small items, such as coffee, beans, candy, sugar, rice, cookie, tea, nuts, dried fruit, dried flowers, snack and cosmetic sampling even electronic accessories in. Specifications: Material: Polyethylene raw material Thickness: 3.9 mil(single layer) / 7.8 mil(double layer) Size: Reference size picture Color: as pictures shown Quantity: 100 pcs Warm Notice: Please allow slight chromatic aberration due to different lights and screens. 0.1 -0. 2 Inch error of measuring is a reasonable range due to different measuring methods.