Those are called toploaders. They come in many sizes (4" x 6", 8" x 10", 11" x 14", etc.) You can buy them on eBay or in any sports card shop.

[quote="lukeout11"]the piece itself looks like the baseball card hard plastic holder but it looks too big to be that, but thats what i would guess like a 5x7 hard case, maybe a 4x6 for post cards pr something, there's a coin shop in my town ive found some good protective things there because of the paper money and stuff[/quote]

i would agree with that. i am sure one could buy them online also.

the piece itself looks like the baseball card hard plastic holder but it looks too big to be that, but thats what i would guess like a 5x7 hard case, maybe a 4x6 for post cards pr something, there's a coin shop in my town ive found some good protective things there because of the paper money and stuff

Hello,
I was just looking through old feedback and came across this one and was wondering what this person used to protect the autographs. I have been looking for something like that but I haven't been able to find anything. Thanks! {up}
http://www.fanmail.biz/mboard/viewtopic.php?f=2&t=222120&p=952062