Unfortunately, the features that make dry erase markers wipe easily off of whiteboards make the pigments become trapped in clothing fibers and other porous objects. You can try cleaning clothing materials with some rubbing alcohol or a stain remover such as Shout. Be sure to test in an inconspicuous area first. You can also try these methods here. For rugs and floors, use a stain remover that is compatible with your rug / floor type. You can try these methods here.