"Durable Material - Well made of brushed stainless steel, including the spring. Unlike plastic and flimsy clips, these are very sturdy and durable enough for long term use Airtight Closure - Built-in elastic spring closure clips, which can protect your food from air or water by keeping the bag completely closed and prevent food from going stale. It will keep your food fresh for much longer Great Value and Portable - With a 3" wide opening, the stainless steel sachet clips are strong enough to hold onto anything. Easy operation, quick clamping. Ideal for home and office cooking desk New Design - Unlike the old design, we improved the edge of the chip clips, making it round. They are safe and handy without sharp edges, and you can use them at ease Wide Application - These stainless steel bag clips can not only be used in your kitchen, also in the office; perfect for snack bags, chip bags, cereal bags, cookie bag, bread, beans, coffee bags, frozen food, spices, office paper clips, etc." Sold by grid cool store