Low-density polyethylene is a widely used thermoplastic polymer known for its flexibility, toughness, and transparency. LDPE is a member of the polyethylene family of plastics, which also includes high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE). LDPE is more flexible and less rigid than HDPE, and it has a lower melting point than both HDPE and LLDPE, allowing for easy processing.