What happens when you don't use a toilet seat cover?

Closed toilet seat overnight and opened it to these stains. They easily wipe away I just don't understand where they came from? : r/CleaningTips

How to Clean a Toilet - The Home Depot

We are travelling through France at the moment. Why don't they have seats on their toilets? - Quora

Why don't some women put the toilet seat cover down, even if they want the actual seat down for them? - Quora

How to Properly Clean a Toilet

How to measure for a toilet seat guide

Why do some people place a plastic cup under their toilet seat at night? - Quora

Airbnb Guest Fixes Toilet Themself After Damaging It

Western toilet seats: an eastern point of view, by Aviram (Avi) Vijh

Western toilet seats: an eastern point of view, by Aviram (Avi) Vijh

Potty Training Perfection (Installing a toddler toilet seat), by Jennifer Baldwin

How Are You Supposed to Use a Toilet Seat Cover? Where Does the Flap Go?

14 Toilet Problems You Should Never Ignore

The 6 Best Toilet Seats of 2024