Toilet Bolt Lock, Partition Door Lock with Handle Public Toilet Restroom Bolt Lock Indicator Accessory for Airports, Stations : Amazon.com.au: Home Improvement
Cowdroy Satin Chrome Ambulant Indicator Bolt - Bunnings Australia
Door Lock Indicator, Zinc Satin Nickel Bolt Door Lock Indicator Bolt Vacant/Engaged Latch, Privacy Partition Door Lock Latch for Bathroom WC Public Restroom Toilet : Amazon.com.au: Home Improvement
Bathroom Indicator Bolt Vacant Engaged WC Public Toilet Door - Etsy Australia