These are really cute! They remind me of Kandee Johnson's bow rings! (if you don't know who she is, she shows them in her latest "what's in my purse" vid http://www.youtube.com/watch?v=YBhcVq6e-Sw )
The rings are made of resin and each flower measures at just about 1 inch. They sell for $7 each. If you can't find her bow rings, this are a great second choice.