ROAR Oil Those Hinges DropsOIL THOSE HINGES rheumatoid arthritis relief drops are dispensed in 50ml aluminium bottles with pump action dispensing. This is a deliberate move away from traditionally prepared remedies where drops are dispensed by a self limiting dropper. The pump action prevents bacterial contamination (that easily occurs when administering drops into an animals mouth through a dropper), as well as providing a measured dose. 1 pump = 1 dose. Each 50ml bottle