Description: Function: It is made of volcanic mud and minerals through high temperature and special process. After use, it can effectively balance oil secretion and prevent acne, acne, acne and other effects. Material: Made of volcanic stone and aluminum alloy, it instantly absorbs excess oil. Less disruptive to makeup than blotting paper.can be cleaned after use, and can be used again after drying. Instant Effective: You can use the oil absorbing roller on your face with or without makeup. It will soak up any excess oil and shiny on your face instantly. The roller wont mess up your makeup Compact And Portable: two head design, The oil control ball is designed with a small size and a refined appearance, you can put it in your bag or pocket and absorb oil anytime, anywhere. Widely Use: Suitable for oily and acne prone skin. Perfect for use at home, gym, sports venues or in the car or office. Specification: Material: Volcanic Stone ,Aluminum Alloy Size Chart: 8.4x2.5cm/3.31x0.98inch Package Includes: 1 piece Volcanic Stone Oil Absorbing Ball