Here's one... guess what is it?!

Here's one... guess what is it?

there was once a princess who was cursed; that everything she touches melts. so the king called to his entire kingdom and announced that whoever can find something that the princess can touch and won't melt, will win a hefty reward.
So, people started lining up, bringing different items from gold to rock, even diamonds and the hardest metals on the land; but everytime, it would melt away as soon as the princess lays her hands on it.
But one guy, skimpy little guy approach the princess and said. "I have something in my pocket. Reach in and touch it."
The princess did what the young boy said, and shouted, "Oh my! It didn't melt..... its still hard!" Needless to say, the young boy won the award.
What was in the young boy's pocket?

6 days ago
Lol! Im not nasty... you just have a dirty mind :)
first one who gets it, gets the best answer.

M'n'M's melt in your mouth not in your hand!!