One Size Fits All Christmas Gift

I bet there are millions or even billions of people that don't know what the "one size fits all" Christmas gift is? I'll give you some hints:
1. It's Free
2. It can be for any gender
3. It can be for any age
4. It fits ever person perfectly
5. Once you recieve it, you can give it to someone else
6. It doesn't fade
7. It doesn't shrink
8. It doesn't go out of style
9. It's been around more than 2,000 years
10. It isn't an "it" but a WHO
Can you guess?
http://www.billygraham.org/SH_StepsToPeace.asp