SubZero Lock De-Icer and Lubricant thaws frozen locks while lubricating the lock cylinder preventing damage to the lock mechanism. It works great on car doors, ski racks, luggage, padlocks, home and garage doors, mailboxes and more! Size: 18.5 ml Powerful enough to thaw ice on your vehicle door Thaws frozen locks Lubricates lock cylinder Protective cap snaps on when not in use Good for more than 50 sprays Small enough to fit in your pocket.