Most Frequently Purchased Item Free. Time Limit 24-months. -- Get your paws on our Poopy Packs®, Poopy Packs XL®, Poopy Packs for Cats®, Metro Wipes®, The Poopcase®, Metro Pads®, Metro Balls™, Mini-Metro Balls™, The Metro Paws Tote, and Our Exclusive Smear Campaign® Bags!