Each toilet seat includes two TPE pads of different thicknesses to suit your needs. The lower is 1.2cm and the is 1.35cm. The toilet seat comes in two different shapes: 50 rectangular and 50 round. Please choose a suitable installation shape for easy installation of various toilet seats. The toilet seat bumper is made of ABS with white top to strengthen and stabilize the seat. After installing the bidet attachment, there may occasionally be a space between the toilet seat and the toilet. The toilet seat should be thoroughly cleaned and dried before the toilet seat ring is adhered to the toilet seat and pressed firmly into place. Use the toilet seat 10 minutes after installation. The toilet seat repair bumper is designed to fit most toilet seat models and last for a long time. Apply the toilet lid bumper to a of surfaces, including glass and ceramic, and place on anything you want to prevent damage to hard surfaces. Color: White Material: plastic Package Contents: 100 x Toilet lid accessory(50 rectangular and 50 round) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.