This acrylic barrel is designed for polishing jewelry,helping your jewelry look more gorgeous The material of this jewel polishing drum is acrylic,which is environmental friendly and safe to use The jewel grinding tumbler is great for complex details, tiny cracks, and multiple settings, but uneven surfaces for a large range of application With exquisite craftsmanship,this jewelry polishing barrel is easy and convenient to install or dissemble Thanks to the small size and lightweight,this jewelry polishing barrel is easy and convenient to carry