Using stainless steel and Red, Blue, Yellow, Green enamel paint, it is Long Lasting and Durable. Each clip has rounded corners so you don’t have to worry about injuries or cuts. Unlike plastic and fragile clips, they are strong and durable enough to last you a lifetime!You can use our clips to seal open food bags or sachets to prevent food from coming in contact with air that can cause food spoilage. Our clips (3 inches wide) have a strong spring for a stronger bite and a tighter bite. This way you don’t have to waste your open snacks or food and it won’t spoil. It is also suitable for storing all kinds of documents in the office, etc.