High-Density Polyethylene (HDPE) is strong, lightweight, weather resistant, impact resistant and malleable, meaning it is highly versatile. HDPE has a wide range of applications, such as: Piping, automotive parts, toys, flower pots, storage bins, recycling bins, crates, rope, gardening tools, garden furniture, cereal box liners, milk bottles and more. High-Density Polyethylene, or HDPE, is a thermoplastic made from the monomer ethylene. Ethylene is polymerised to create Polyethylene; HDPE is one of the five categories the different types of Polyethylene can be grouped into. To get more info visit here