Did you know that there are millions of Mason jars are currently in circulation in North America Why not find a second use for all those jars! This Soap Pump for Mason Jars from Starfrit is designed to screw onto a regular Mason jar. To use. unscrew the white screw from the pump. fasten pump to the collar with the white screw. The pump is even dishwasher safe. FeaturesFits on regular-mouth Mason jars to transform jar into soap pumpDurable. stainless steel construction holds up useWorks with all types of liquid soaps. shampoo. conditioner. and hand sanitizersDishwasher safeSpecificationsColor: GrayDimension: 2.38"H x 2.42"W x 2.42"LWeight: 0.39 lbs