Our seamless aluminum cans feature aluminum screw top lids for easy access to what is housed inside. These versatile aluminum cans can be used as an over pack for vials or to house samples of solid products such as powders and crystals. The one piece body design of these cans is made from 99.7% pure aluminum. This product is not recommended for use with liquids. Aluminum cap included. The aluminum screw top cap includes a PVC liner.