But they don't realize that Ice Cream and Yogurt Container plastics can be recycled for human needs, thus helpful in preserving the Mother Earth. PET is hard to clean and it absorbs and keeps bacteria and flavors. Avoid this number 3 in your plastic container if you want to use it to store food. Number 4 means Low Density Polyethylene (LDPE). Found in grocery bags and cling wraps, this plastic is safe and recyclable. However, there are perhaps less recycling companies that want to take containers made of LDPE. It is not a recommended plastic type for your containers as it could leach styrene - suspected as carcinogen on human - into the food stored. Collecting products, e.g. plastic bottles, out of our garbage cans and even in our landfills, and identifying their polymer types, are best practices for effective recycling. From time to time, plastic recycling become a source of income without causing damage to the environment. Plastic Containers Shopping Guide Almost every household has plastic containers. They could be used for storing foods or other smaller items to promote organization in the house. However, do you know that some plastic cups factory are not really recyclable than the others?