Get it while supplies last. According to Steve Korbay at Fly Tying Specialties the MS Foil Pearl is going away. And he has some nice stock to fill those orders before it goes. There are some good alternatives to the Magic Shrimp Foil, by a couple of other vendors. Check out the flashback material by Fly DK not quite the same stuff, but a good alternative and the fluoro body stretch.
You can also acquire the Magic Shrimp Foil directly from Siman Ltd for under $4.00 per pack.