Wet DNA Collection

"An old toothbrush."
Don't through away that old toothbrush and don't wash it off.
Get (2) "FREEZER" zip-loc bags.
Place the childs name and date of collection on (1) of the zip-loc bags. Put the toothbursh in this zip-loc bad and seal bag.
Place this zip-loc bag into the second zip-loc bag. After you have sealed bag store in your freezer.