Lot of approximate 500 flat back Crystal AB,
resin rhinestone gems,
Marquise or Rain Drop.
Those are high quality resin rhinestones and you have the option to choose the shape of the stones from the menu.
They can be used for shoes, nails, scrap-booking, card making, clothing, wedding invitation, decorating you laptop, cell phone, iPad, etc. They need glue to fix, they are not hotfix.