Metal screw caps/CT Cap (Continuous Thread Cap) have the following characteristics:
1. Durability: Metal products are usually more durable than plastic products, so metal screw caps can be reused.
2. Sealing: Metal screw caps can provide good sealing to keep the freshness and quality of the contents of the bottle.
3. Recyclability: Metal screw caps can be recycled and reused, which helps reduce waste and protect the environment.