Nielsen & Bainbridge 16"x20" Vivids Frame (Tornado Red): The Vivids line features the same archival Artcare mat and backing that Nielsen & Bainbridge customers have grown accustom to. It's all about color! Vivids come with a colorful brushed aluminum moulding and are equipped with a glass front. This frame is 16"x20" with a 11"x14" Mat opening.