Features: -Plastic, sturdy, tough, durable, never rust, with smooth edges for a safer toilet. -With removable mesh upper plate for ease of cleaning. -Plastic side clip locks for safe and secured placement of the plate. - Helps avoid unwanted urine scalding or fur stains due to pee and poo. - Comes with a removable plastic center post to accomodate male dog's "leg- leaning" while peeing behavior.