This reusable dual sided roller is designed with volcanic stone ball and sponge heads and encased in a luxe tube container. Gently roll over your face on T zone area or any place where the skin is oily. Removes excess oil from skin and pores and restores a clean matte finish. To clean, twist lock clockwise to open, and pull out the stone. Wash the stone with a gentle cleanser, rinse and air-dry before locking it back in. Available as 12 pieces in a cardboard displayer (5.4 x 4.25 x 5) at no charge. Gift boxed (1.2 x 1.2 x 3.5). Aluminum, Volcanic Stone.