Spectrum 12 piece siren brush set and roll our most luxe set in the collection the 12 piece siren set complete with sushi brush roll is for the chicest of mer babes each brush is hand finished and the holographic effect on the metal ferrule means every single brush is unique no two sets have exactly the same colours included in the set are our best selling and most popular brushes 5 large brushes a01 large powder b01 buffing foundation c02 flat contour c04 angled powder a05