 At Memory Fireworks, we are the reload experts. The M5 has been on the market about 5 to 10 years, and there's not a better shell on the market than the 24 assorted shells found in the M5. The M6, 24 shells, 4 tubes, lights up the sky. There's not better reloads in any store, and you can only get these M5 and M6 at Memory Fireworks.