BEMIS 730SLEC 000 Toilet Seat will Slow Close and Removes Easy for Cleaning, ROUND, Plastic, White - Amazon.com
Heavy Duty Traditional SoftClose Elongated Toilet Seat Compatible with TOTO SS114/SS113/SS154/SS224/SS204 Oval Toilet Seat Replacement, 2 Choices of Mounting Toilet Bolts and Nuts, Cotton White - Amazon.com
Mansfield Plastic White Round Soft Close Toilet Seat in the Toilet Seats department at Lowes.com
How to change the soft close cylinders on a Pressalit toilet seat - YouTube