Classic Black 10ml glass roller bottles in a satin (semi-matte) finish with metal or plastic caps. Your choice of stainless steel, glass, or no rollerball (so you can add a gemstone* one💕), and metal or plastic cap color (10 available, shown in matte gold) Each roller bottle includes • 1 Black 10ml glass bottle • 1 Metal or plastic cap of your color choice (see photos)* • Your choice of stainless steel, glass, or no rollerball insert *We offer 47 types of gemstone rollerballs for these bottles! You're sure to find the perfect match for your blend or intention. Visit the Gemstone Rollerball collections section to explore all your options. All bottles come empty - ready to fill.