I couldn't find a magnet save the date I liked that was on the cheaper side so I ended up finding a very cute save the date that is a normal cardstock one, and buying a roll of magnet tape from amazon for like 7$, and cutting little strips to put on the back. You barely needed any magnet to get it to stick. So I had the best of both worlds, and I see it hanging on all my friends' fridges!
The uploaded image is the sample of the STD (the back has room for another picture and I wrote a small note about booking rooms and put the magnets above and below this)
I got the save the date from invitationconsultants.com- good service, gave me some extra