PAT2007USA4074400 Made in USA It appears to be a US patent. There is an engraving♪ It has a beautiful design like cloisonné enamel. Magnets are incorporated, so I bought it because it's supposed to be good for stiff shoulders, etc. Shipping will be in simple packaging♪ Please note that refunds and returns are not accepted to prevent product substitution. ⚜️Also, please understand that this item is stored at home.