What Is PP Plastic (Polypropylene)? Is It Toxic? Properties And Divers Injection Molding Materials: Polypropylene What is Polypropylene: Properties, Benefits, and Key Uses What is Polypropylene: Properties, Benefits, and Key Uses PPE Plastic Injection Molding BOYI Virgin Raw Materials Plastic PP Polypropylene Granules The Float. This durable translucent container box is used for transporting goods. It folds compactly when not in use and does not slip when stacked. It has an opening window on the side so you can access your items from the side. It is an environmentally friendly storage item made with over 30% recycled polypropylene. User Guide (PDF: 1. 64MB)