Review (1/5): Misrepresented junk
This is not a denture cleaner. It's too small for dentures. When I complained they said I must have large teeth - NO. Actually my dentist says I had the smallest teeth he ever worked on.
Since I knew I'd have to pay about $15- to return it for the shipping, I tried it out with a dirty necklace to see how it worked. NO change at all in the necklace.
So this is just a scam item. I've made up my mind not to buy anything on Amazon that they don't ship themselves.