4-in-1 Booster Pacs that Pack a Punch! Apr 27, 2015 Filed under: Laundry 101 Did you miss Dropps live on HSN? Catch it here! Watch our 4-in-1 Booster Pacs knock out the toughest set-in dirt stains on soccer uniforms, coffee, and wine stains. They whiten whites, brighten colors, and eliminate stains and odors. Pretty incredible!