Product Description: Product build high quality raw materials collocation cushion design can stands up to 400lb. Medical plastic can protect your daily health No Slam,Seat slowly closes to eliminate slamming and pinched fingers. No Wiggle,Your seat will never come loose from the bowl. Standard size that front to back adjustability for the perfect seat fit. Built-In Potty Training Seat Include: 1 x elongated toilet seat; 2 x metal pads; 2 x plastic screws; 2x rubber pads; 1x instruction manual Tips: when you find“washers” between the seat and the porcelain commode squeak .Don't worry,You can check to make sure the holes did not get out of line and insert a screwdriver to move back into position.