Portable game board for card playing

A portable game board for card playing, comprising:

• a first rigid planar body foldably connected to a second rigid planar body, said portable game board having an inner playing surface opposite an outer surface, the first and second rigid bodies pivotally moveable between a folded position, wherein the first rigid body opposes the second rigid planar body, to an open card playing position, wherein the first rigid body is in coplanar alignment with the second rigid body and the first rigid body and the second rigid body form a superellipse shape;
• a flat card retention sleeve adapted to receive playing cards of a user, said flat card retention sleeve disposed atop the inner playing surface continuously around an outer edge of both the first rigid planar body and the second rigid planar body, said flat card retention sleeve adapted to resist unintentional disengagement of a first plurality of playing cards when inserted therein;
• an elongated flexible band disposed across a top of the inner playing surface of the first rigid body and the second rigid body, said elongated flexible band adapted to resist unintentional disengagement of a second plurality of playing cards when inserted between the elongated flexible band and the inner playing surface;
• said elongated flexible band having a first end, a second end, and a middle portion disposed between the first end and the second end, wherein the first end, the middle portion and the second end are each respectively fixed to the inner playing surface of the portable game board;
• wherein the first end of the elongated flexible band is fixed to a first corner of the inner playing surface, wherein the middle portion is fixed to a center of the playing surface, wherein the second end is fixed to a second corner of the playing surface opposite the first corner.