The phrase "metal hoops" refers to circular bands made of metal. They can be used for various purposes like creating a sturdy structure or holding something together. Full definition
I had seen these gold metal hoops in the craft store for awhile and knew I wanted to use them, but didn't decide how until just recently. (thepleatedpoppy.com)
With a good metal hoop in your collection, you can wear them with nearly anything and everything. (meijerstyle.com)
Hammered silvertone metal hoops hang from a silvertone disk, creating clip - on earrings with casual polish from Spring Street. (steinmart.com)