Blood Bag

Blood Bag is an unlockable passive item.

Effects

 * Grants a Red Heart container.
 * Restores 5 Red Hearts.
 * +0.3 speed.

Interactions

 * : Turns into when rerolled by Spindown Dice.

Trivia

 * The Blood Bag seems to give Isaac a face similar to Larry Jr.
 * This item is used in Bloody Mary (challenge #37).