A Meal-Ready-to-Eat is what we feed to our soldiers in the field. It’s a self contained meal, descendent of the C-ration. An MRE features a meat, vegetable, bread, dessert, choice of drinks, and plenty of packaging. Here’s what’s left after you consume the edible bits:
 
Heavy plastic MRE bag
cardboard box enclosing meat
plastic/foil heatable bag for contents
cardboard box enclosing side dish
plastic/foil heatable bag for contents
plastic bag enclosing heat pouch
cloth/chemical heat pouch
plastic bag for spoon
plastic spoon
plastic/foil bag for crackers
plastic/foil bag for cheese
plastic/foil bag for dessert
plastic Fresh Pax pouch
plastic/foil bag for drink mix
clear plastic bag for condiments
clear plastic bag for mint gum
brown paper wrapper for napkin
paper napkin
clear plastic Tobasco bottle
red plastic bottle top
cardboard matchbook
paper/foil bag for tea
tea bag
paper/foil bag for coffee sweetner
paper/foil bag for moist toilette
cloth/paper toilette
3 paper bags for sugar, salt and pepper

29 items total. 10 are biodegradable, 4 are partially biodegradable, and 15 are of non-biodegradable plastic.