Product Material: Double ring key chains are made of great zinc alloy, which are reliable, wear resistant, long-lasting and sturdy. You can use them for a long time.Practical Tool: The weight of this spring double key ring is only 17g/0.04Ib. It's lightweight and small, so it won't take much of your space.Elaborate Design: Nordic retro spring keychains adopt double rings design. You can move your keys in all directions easily. You can use them with confidence.Multifunctional Tools: Nordic retro spring double ring keychains can be used as key chains to organize your keys. You can also connect your small key rings on them. Or you can hang it on your bag or zipper as a decoration. Besides, they can be served as a link to some necklaces and bracelets.Package Content: You will get 3 pieces of spring double ring keychains, which adopt round corners design to ensure that you can use them safely.