The Bags are mainly used to store many items such as fishing hooks, screws, nuts, nail scissors, crafts, tweezers, etc in your home or on a trip.SpecificationMaterial:Total Size: Thickness:Package Contents: x Holographic BagsAdvantageResealable, zipper design, use a zipper to seal for good sealing, and easy to close and open.There is a clear window in the front, and a hanging hole on the top, using these tiny bags helps you to store and actually see what the item is.InstructionOpen the bag, put the items inside and pressure the zipper make sure the sealing is completed.NoticePlease check the size carefully if you are concerned about this.