Don’t Let Her Wait / lock for ladies room

This lock is specially design for ladies' room，as we all know ,there's no appropriate space in ladies' room，lady waiting for others usually don't know people inside the partition is defecating or urinating .This is the main reason why the utilization rate of ladies' room is lower than that in mans' room . This design use logo and color to differentiate different using state，lady inside the door can choose between "long" and "short" so that she can tell others by the lock she is quick or not，this change can shorten the time people wait randomly，and make utilization rate higher ,waiting time shorter.