Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.The bottles are made of transparent glass while the caps are made of black plastic. Capacity: 15ml, convenient for carry and use.4.The glass has no bubbles and impurities, and will not affect the appearance of the bottle. The bottle with good gloss and high transparency, can make it easy to see the remaining volume of cosmetics.5.These empty bottles come with brush cap, brush material adopted the use of nanotechnology. Specifications:Material: Glass Bottle+Plastic CapColor: Black+TransparentCapacity: 15ML Size: 7.6x3cm/2.99x1.18inch(HxW)Weight: 924gPackage include:20 x Empty Nail Polish Bottles