COPPER IS VERY BOUGIE THEY'RE USUALLY ALUMINUM OR GALVANIZED STEEL AND YOU JUST FILL EM UP FROM THE TAP AND BOIL THEM ON THE STOVETOP THEN TURN OFF CAP IT AND PUT IT IN A LITTLE DRAWSTRING BAGGIE SO YOU DONT BURN YOURSELF TOUCHING IT
Discussion
WHEN THEY'RE BIG VOLUME AND WRAPPED IN INSULATION LIKE TOWELS AND STUFF -- THEY RELEASE THE HEAT VERY SLOWLY AND LAST THROUGH THE NIGHT UNDER THE BLANKETS