PSA Sleeves for a Binder

All the talk of sleeves got me to wondering if there is a company that makes non rigid sleeves for PSA cards to be put in a binder.
Currently, I have the rigid "sleeves" that you snap the card into, but I was wondering if anyone knew of any soft sleeve out there designed for a PSA card.
Currently, I have the rigid "sleeves" that you snap the card into, but I was wondering if anyone knew of any soft sleeve out there designed for a PSA card.
Currently Buying:
2004 Tommie Harris SPX Printing Plate (White Whale will pay top $$$)
1994 SP Football Die Cuts PSA 10s
2004 Tommie Harris SPX Printing Plate (White Whale will pay top $$$)
1994 SP Football Die Cuts PSA 10s
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Comments
***Update***
I just downloaded the PDF hobby catalog from Ultra Pro. They do not show either the rigid page or the non-rigid page. The search continues.
After thinking this over, the rigid style is that way for a reason, to hold onto the slab firmly. A non-rigid style would cause too many problems with "slippage." And as we all know, slippage is not good,
NathanSr
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2004 Tommie Harris SPX Printing Plate (White Whale will pay top $$$)
1994 SP Football Die Cuts PSA 10s
2004 Tommie Harris SPX Printing Plate (White Whale will pay top $$$)
1994 SP Football Die Cuts PSA 10s