Takeout Containers (Plastic) Put in Garbage This low grade plastic material has no resale market, and is therefore not collected for recycling in the City of Santa Cruz. So even if it has a recycling symbol such as a number in a triangle, this item should go in the trash. Compostable Plastics Do not recycle plastic containers labeled “compostable” because they will be sorted out of recycling. Don't Reuse Plastic takeout containers are made up of chemicals that will leach into your food if you wash and reuse them. Did You Know? The Preferred Takeout Container Out of all the types of takeout containers — aluminum, cardboard, plastic and foam — aluminum is the easiest for recycling plants to recycle, while foam is the most difficult.