Made of aluminum foil, with good sealing zip lock, the holographic bag is dust-proof, water-proof and moisture-proof.
* The foil ziplock bags is widely used in keep jewelry, electronic accessory craft, party gift, or storage nuts,
   cookie, coffee, sugar, candy or cosmetic, and hardware.

*  The flziplock bag can be used over and over again. If it is dirty, you just need to wash it and dried it before use, save your effort.