These clear polystyrene jars come with natural double sifters and black smooth F217 lined caps. Simply turn the plastic insert to expose the sifter holes to dispense your product. When not in use, turn the insert to cover the sifter to help prevent leakage. These cosmetic jars could be used to package any number of beauty products such as eyeshadow and blush. *Note: sifters included with the 20 ml and 45 ml sizes have small holes; sifter for the 10 ml size has a larger single opening.