Polisport's side panels - with heat protection film Polisport's side panels are produced with Polisport's exclusive technology - DGP (durable gloss polypropylene) - for this reason our parts are more durable and have a perfect combination of resistance and flexibility. These parts also include a heat protection film. On top of that, the Polisport replica plastics have a glossy finish and colors that perfectly match the stock parts.