Feature:Absorb excess oil immediately and keep the skin clean at all times.Real natural volcanic stone, minerals help promote skin cell metabolism.360-degree rolling massage promotes facial blood circulation.Reusable and easy to clean,removable washable.Small size, easy to carry.Exclusive small waist design, good-looking and betterSpecification:100% Brand and NewMaterial: natural mineral volcanicSuitable for: oily, normal skinSizeAs ShownColor: Black Single, Pink Single, Blue SingleWhite SingleBlack Double, Pink Double, Blue DoubleWhite DoublePacking included1pcs Roller Volcanic StoneNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.