[PREMIUM MATERIAL]- Our resealable mylar bags are made of polyethylene, aluminum foil and mylar, it has tear resistance and durability. [HOLOGRAPHIC RAINBOW COLOR]- Our foil zipper closure bags come with holographic rainbow color in the back and transparent in the front in order to display the product clearly. When displayed indoors, you 't need to have lots of lighting to see the beautiful rainbow color. [EASY TO ]- Our smell proof bags are resealable you can repeat open the zipper, the sealing strip is very and 't broken. Usage recommendation: Pinch both sides of the bag opening with your thumb and index finger, and open the bag with both hands.Thumbs are to the zipper, and both hands forcefully open it. [WIDE USES]- Our holographic bags is waterproof after seal, good to store coffee, , sugar, rice, baking, cookie, nuts, dried fruit and flowers, , party favor and so on. It is also suitable for small business to package jewelry, eyelash,lip gloss, key chain, cosmetics, soap, electronic accessory or any small objects. [SIZE & ]- Measuring 3 inches by 4.7 inches, 100 pieces of resealable holographic bags in the package, enough for your daily .Please note the actual color may appear in a slight difference under different light,angle and screen. Colour: blue Material: aluminum foil + polyester film Package Contents: 100 * Smell Proof Mylar Bags Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.