I purchased thering with the matching pendant as a gift for my fiance and what a great gift it turned out to be! It’s really 12 very nice rings at the price of one. The packaging is impressive and fun with the 12 interchangeable birthstone gems nicely displayed in the box. You also get a small key to help switching the stones and an instruction sheet. Switching the stones around is fun and easy and my wife didn’t even need to use the key to do it. The mechanism is solid well made and seamlessly integrates with the design of the ring so you don’t even know is there! What a great fun gift! My wife spent so much time playing with all the different stones and she changes them almost every day to match her outfits. She tells me she got lots of compliments on the ring and the pendant at work and that was BEFORE she started showing off all the different color combinations! The great idea and interesting packaging makes this the perfect gift in my opinion also with 12 birthstones included you are guaranteed to get her favorite birthstone!