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Until you transfer your chocolates to its decorative or shipping container, make them cold for as long as possible. After you've packed your chocolates, put them back in the fridge until you either deliver or ship them. While in the fridge or freezer, keep your chocolates in an airtight container. Sandwich bags with a zipper are ideal. When exposed to sunlight, chocolate melts quickly. If you've taken your chocolates out of the fridge, keep them in a cool place away from bright lights and heat. Put a cold pack in the freezer and, when it's cold, slip it in your chocolate's container or shipping box. To protect your chocolates from moisture, place it in a zipper sandwich bag before you place it in the package.  Don't use ice packs to cool your chocolates, as these melt and can ruin their packaging. To keep your chocolates cold while shipping them, you can leave the gel pack in the box. Dry ice keeps chocolate cold for longer but can irritate your skin. Put on gloves and goggles, and place your chocolates in a sealed plastic container before packing it. Ask your local shipping store how much dry ice you can put in a package, then place it alongside the chocolates and bubble wrap. If you pack your chocolates with dry ice, you must write "Contains Dry Ice" on the package.

Summary:
Leave your chocolates in the fridge or freezer until you pack them. Keep your package out of direct sunlight until you ship or deliver it. Use gel cold packs to chill the chocolates. Try dry ice as an alternative to cold packs if you're shipping your chocolates.