Leaves hair smooth and shiny for maximum light reflection from root to tip. Maximizes longevity and radiance of hair color. Preserves color depth and shine for up to 40 days with use of Chroma captive 3-step system. The package dimension of the product is 8.9"L x 3.5"W x 3.5"H. It is recommended for all hair types. Preserves shine and shimmering reflects up to 40 days. Maximizes longevity and radiance of hair color.