The invention relates to a multi-layer plastic product which is highly infrared-reflective and highly lustrous. Said product comprises three layers: A, B and C. According to the invention, layer A contains a transparent thermoplastic material; layer B contains a transparent thermoplastic material and a pigment consisting of a transparent carrier material and an overlying layer of titanium dioxide having a thickness of between 150 and 200 nm; and layer C contains a transparent thermoplastic material.