This is a ONE/SIZE by Patrick Starrr Browkiki Micro Brow Defining Pencil in the shade Blond.It is a mechanical, retractable pencil designed to draw precise, hair-like strokes.The product is described as having a long-lasting, waterproof formula to define and fill in sparse brows.It weighs 0.07 grams (0.002 oz) and comes packaged with a spoolie brush for blending.