NOBLE Volume Hair Base adds fuller volume to the top of your head. The unique design enables a quick and simple path to the 「Beauty Hair Style」. In 20 seconds, you make yourself over with Kawaii style!2 hair bases are contained: large-around12x9x3cm (length x width x height) + small-around 11x8x2cm (length x width x height)how to use it 1. Lift up the upper part of hair and place the Volume Hair Base under it, on the top of your head. 2. Cover the Volume Hair Base with the hair. Loosen it to make more airy. 3. Fix the hair with pins.