DaaBee antibacterial wet wipes are made from 100% polypropylene plastic (recycling classification #5) and can be put straight into your standard plastics recycling. The ingredient used in our wipes is called SteriZar and is biodegradable. Polypropylene is a hard, flexible plastic used in products including dip pottles, ice cream tubs, microwave dishes, lunch boxes and automotive parts to name a few. Polypropylene is recycled into products such as pegs, bins, pipes, car battery cases and trays.