Chromakey Blue Tempo is a vibrant blue keying fabric made of a foam based fabric. The front is a matte Chromakey Blue that will easily accept velcro for tracking balls or dots. Tempo fabric is the most commonly used fabric for keying because of it’s cost and matte finish. Chromakey Blue is often used outside for jungle locations or anyplace where grass or plants are in the shot. In direct sunlight the Chromakey Blue becomes more vibrant for an even easier key.