This brightly colored Lego bag is small, but mightly.  It features a front flap pocket, then on the right, unzip the red zipper, and inside is a zipper pocket, and 4 card slots and a slip pocket.  each card slot can hold more than one card.  The other side of the bag features a green zipper that is a large pocket.  
 
The entire bag is 8.75" x 5" and has a removable adjustable strap, which is 51" long