It is important to store any liquids in sealable plastic bags in case of a leak. (thesavvybackpacker.com)
Just marinate the mushrooms in a large sealable plastic bag in olive oil, salt, pepper and any herbs and spices you want for about an hour (or use a vegetarian - friendly steak marinade). (sheknows.com)
Transfer the ice - cubes into sealable plastic bags and place back in the freezer. (phamfatale.com)