POLYLINE Bubble has an excellent smooth print surface without the ribs associated with Fluted PP. It is an environmentally friendly NON-PVC material that is lightweight, water resistant and 100% recyclable. It is also routable and foldable for fabrication. POLYLINE Bubble comes with either a White or Black Centre. White centred has a UV additive to improve exterior performance. Black centred has a a degree of recycled content and contains a Fire Retardant additive for Stadium signage. The Black core also makes it totally opaque with no show through.