1.) After installing the styrofoam liner into the mailer, place a Styrofoam ‘Heat Shield’ approximately ¼” in thickness x the exact width x the height of the interior of the box used, minus 1 inch.
2.) Here are the gaps where the heat emitted from the heat pack will enter the compartment where the fish etc. will be packed later.
3.) Here is the packed box, where you can also see the gaps for the heat to enter the fish compartment.
4.) Loosely, Fold the heat pack along the red line several times to activate the heat pack.
5.) Fold the heat pack loosely along the red-line in the center and then place it folded in half as shown into the compartment between the heat shield.
6.) Completed, ready to place the Styrofoam liner lid into box, directly on top of heat pack compartment and live plants, fish, snail, shrimp compartment.
7.) Ready to be dropped off.
1.) Loosely, Fold the heat pack back and forth along the red line several times to activate the heat pack.
2.) Lay the heat pack on top of 2 – Styrofoam ‘Heat Shields’ approximately ¼” in thickness and almost the width of the box used.
3.) Place the red-line facing downward in the center of the gap between the 2 heat shields.
4.) Completed, ready to place the Styrofoam liner lid on top of the heat pack inside box, directly on top of heat pack.
Depending on the package size there are 3 options that are most economical sense.
Padded Flat Rate USPS Priority Mail Envelope will hold 1 pair of adults or 6 fry.
Medium Flat Rate USPS Priority Mail will hold 6 pairs of young adults or 24 fry.
Large Flat Rate USPS Priority Mail 9 pairs of young adults or 36 fry.