Our chip bag clips are made of high quality stainless steel with a special surface treatment, not easy to rust, never break and durable. These chip clips have nice strong springs built in for a stronger seal to help keep air out of your food and keep it fresh. The stainless steel chip clip is treated with brushed texture, the edges are smooth and burr-free, and the rounded corners will not scratch your fingers. Our large food clips all have large openings, perfect for sealing snack bags, potato chip bags, cookies, bread, beans, coffee bags, etc., as well as for notes, postcards, papers, photos. Specification: Material: stainless steel Colour: black Size: 3 inches (width) The Package Includes: 12 pack chip bag clips Notice: 1. Be aware that do not let your kids play these seal clips due to the sharp opening. 2. You can combine them with magnets, sticky pads, and other sticky materials for even more uses. 3. Dimensions are measured by hand, there may be slight deviations. 4. The color is slightly different due to the light and display.