To be considered "miniature" they can't be any taller than 36 inches (at the withers, average is around 33 inches), and they typically weigh 250-450 pounds. As newborns you can easily pick them up and carry them, they're so lightweight.
Pictures don't do him justice. I just about died when I walked up and first layed eyes on him. He's such a sweetheart, he's going to be a tough one to let go.
1.0 '12 Irian Jaya Carpet Python
0.1 '09 Normal BP
1.0 '07 Normal BP
1.0 '08 Pinstripe BP
0.0.1 Nelson's Milk Snake
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0.2 Horses (Egyptian Arabian & Tennessee Walker)
2.2 Dogs
1.1 Cats